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NGC 4947

Seyfert2 SIMBAD Sy2 69 papers Gaia DR3NEDSIMBADVizieR
Пряме сходження
13h 05m 20.20s
Схилення
−35° 20′ 14.6″
Галактичні l, b
306.13, 27.45
Зоряна величина V
11.89
Червоне зміщення
0.0081101
Променева швидкість
2,421.5 km/s
Кутовий розмір
1.663′ × 0.865′

Також відомий як

24 identifiers

2MASX J13052020-35201476dFGS gJ130520.2-352015AGC 29210AM 1302-350ESO 382-5ESO-LV 382-0050FLASH J130520.76-352015.7Gaia DR2 6154989062053546880Gaia DR3 6154989062053885952HIPASS J1305-35IC 3974IRAS 13025-3504IRAS F13025-3504ISOSS J13052-3520LEDA 45269NGC 4947NVSS J130520-352029PSCz Q13025-3504SGC 130234-3504.2SUMSS J130520-352030TGSSADR J130520.5-352031MCG-06-29-006[QPD2020] G130520.2-352016[SLK2004] 776

Опубліковані вимірювання

4 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Відстань 3 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
30.8 Mpc ± 6.2 T-F SIMBAD 2022MNRAS.511.6160K 2022
30.2 Mpc ± 2.99 T-F SIMBAD 2020ApJ...902..145K 2020
27 Mpc ± 5 T-F SIMBAD 2008ApJ...676..184T 2008

Променева швидкість 7 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
2,339 km/s ± 57 v SIMBAD 2020A&A...638A..27Q 2020
2,405 km/s v SIMBAD 2015AJ....149..171T 2015
2,386 km/s v SIMBAD 2009MNRAS.399..683J 2009
2,421.5 km/s v SIMBAD 2004MNRAS.350.1195M 2004
2,154 km/s v SIMBAD 1993A&AS..100...47G 1993
0.008036 km/s ± 3.00e-05 z SIMBAD 1989ESOLV.C......0L 1989
2,409 km/s v SIMBAD 1982ESO...C......0L 1982

Зоряна величина 9 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
18.61204 mag G · Gaia DR3 Gaia DR3 2023A&A...674A...1G 2023
18.61179 mag ± 0.01594 G · V SIMBAD 2020yCat.1350....0G 2020
9.948 mag ± 0.008 J · V SIMBAD 2006AJ....131.1163S 2006
9.284 mag ± 0.01 H · V SIMBAD 2006AJ....131.1163S 2006
9.021 mag ± 0.014 K · V SIMBAD 2006AJ....131.1163S 2006
12.2 mag I · V SIMBAD 2005MNRAS.361...34D 2005
12.74 mag B · V SIMBAD 1989ESOLV.C......0L 1989
11.67 mag R · V SIMBAD 1989ESOLV.C......0L 1989
11.89 mag V SIMBAD —

Розподіл енергії у спектрі 188 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
0.00765 Jy 2MASS:H · I/297/out VizieR I/297/out
0.00647 Jy 2MASS:J · I/297/out VizieR I/297/out
0.905 Jy ± 0.377 POSS-II:J · I/305/out VizieR I/305/out
0.00735 Jy ± 0.00053 2MASS:Ks · I/317/sample VizieR I/317/sample
0.00765 Jy ± 0.00088 2MASS:H · I/317/sample VizieR I/317/sample
0.00647 Jy ± 0.00051 2MASS:J · I/317/sample VizieR I/317/sample
0.00735 Jy 2MASS:Ks · I/320/spm4 VizieR I/320/spm4
0.00765 Jy 2MASS:H · I/320/spm4 VizieR I/320/spm4
0.00647 Jy 2MASS:J · I/320/spm4 VizieR I/320/spm4
0.000811 Jy Johnson:V · I/320/spm4 VizieR I/320/spm4
0.000236 Jy Johnson:B · I/320/spm4 VizieR I/320/spm4
0.00735 Jy ± 0.00054 2MASS:Ks · I/322A/out VizieR I/322A/out
Show the remaining 176
ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
0.00765 Jy ± 0.00085 2MASS:H · I/322A/out VizieR I/322A/out
0.00647 Jy ± 0.00054 2MASS:J · I/322A/out VizieR I/322A/out
0.000601 Jy Gaia:G · I/337/gaia VizieR I/337/gaia
0.00765 Jy ± 0.00088 2MASS:H · I/339/hsoy VizieR I/339/hsoy
0.00647 Jy ± 0.00051 2MASS:J · I/339/hsoy VizieR I/339/hsoy
0.000601 Jy ± 2.00e-05 Gaia:G · I/339/hsoy VizieR I/339/hsoy
0.00765 Jy 2MASS:H · I/340/ucac5 VizieR I/340/ucac5
0.00647 Jy 2MASS:J · I/340/ucac5 VizieR I/340/ucac5
0.000601 Jy Gaia:G · I/340/ucac5 VizieR I/340/ucac5
0.00285 Jy ± 2.00e-05 GAIA/GAIA2:Grp · I/345/gaia2 VizieR I/345/gaia2
0.000597 Jy ± 1.30e-05 GAIA/GAIA2:G · I/345/gaia2 VizieR I/345/gaia2
0.00113 Jy ± 4.00e-05 GAIA/GAIA2:Gbp · I/345/gaia2 VizieR I/345/gaia2
0.00247 Jy ± 3.00e-05 GAIA/GAIA3:Grp · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.000116 Jy ± 2.00e-06 GAIA/GAIA3:G · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.000956 Jy ± 2.00e-05 GAIA/GAIA3:Gbp · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.0538 Jy ± 0.0018 WISE:W4 · I/353/gsc242 VizieR I/353/gsc242
0.0206 Jy ± 0.0003 WISE:W3 · I/353/gsc242 VizieR I/353/gsc242
0.00805 Jy ± 0.00015 WISE:W2 · I/353/gsc242 VizieR I/353/gsc242
0.0139 Jy ± 0.0003 WISE:W1 · I/353/gsc242 VizieR I/353/gsc242
0.0485 Jy ± 0.0001 2MASS:Ks · I/353/gsc242 VizieR I/353/gsc242
0.00765 Jy ± 0.00088 2MASS:H · I/353/gsc242 VizieR I/353/gsc242
0.0973 Jy ± 0.0001 2MASS:J · I/353/gsc242 VizieR I/353/gsc242
0.012 Jy ± 0.0021 SDSS:i · I/353/gsc242 VizieR I/353/gsc242
0.000967 Jy ± 2.80e-05 Gaia:G · I/353/gsc242 VizieR I/353/gsc242
0.00919 Jy ± 0.00036 SDSS:r · I/353/gsc242 VizieR I/353/gsc242
0.00418 Jy ± 0.00013 SDSS:g · I/353/gsc242 VizieR I/353/gsc242
0.00502 Jy ± 0.00043 SDSS:z · I/353/gsc242 VizieR I/353/gsc242
0.00247 Jy ± 3.00e-05 GAIA/GAIA3:Grp · I/355/gaiadr3 VizieR I/355/gaiadr3
0.000116 Jy ± 2.00e-06 GAIA/GAIA3:G · I/355/gaiadr3 VizieR I/355/gaiadr3
0.000956 Jy ± 2.00e-05 GAIA/GAIA3:Gbp · I/355/gaiadr3 VizieR I/355/gaiadr3
0.0117 Jy ± 0.0001 Johnson:K · II/246/out VizieR II/246/out
0.0145 Jy ± 0.0001 Johnson:H · II/246/out VizieR II/246/out
0.0113 Jy ± 0.0002 Johnson:J · II/246/out VizieR II/246/out
9.33 Jy ± 0.72 AKARI:N160 · II/298/fis VizieR II/298/fis
9.12 Jy ± 0.81 AKARI:WIDE-L · II/298/fis VizieR II/298/fis
3.77 Jy ± 0.15 AKARI:WIDE-S · II/298/fis VizieR II/298/fis
1.1 Jy AKARI:N60 · II/298/fis VizieR II/298/fis
0.0483 Jy ± 0.0016 WISE:W4 · II/311/wise VizieR II/311/wise
0.0208 Jy ± 0.0003 WISE:W3 · II/311/wise VizieR II/311/wise
0.00812 Jy ± 0.00016 WISE:W2 · II/311/wise VizieR II/311/wise
0.0141 Jy ± 0.0003 WISE:W1 · II/311/wise VizieR II/311/wise
0.00735 Jy ± 0.00053 2MASS:Ks · II/311/wise VizieR II/311/wise
0.00765 Jy ± 0.00088 2MASS:H · II/311/wise VizieR II/311/wise
0.00647 Jy ± 0.00051 2MASS:J · II/311/wise VizieR II/311/wise
0.0538 Jy ± 0.0018 WISE:W4 · II/328/allwise VizieR II/328/allwise
0.0206 Jy ± 0.0003 WISE:W3 · II/328/allwise VizieR II/328/allwise
0.00804 Jy ± 0.00015 WISE:W2 · II/328/allwise VizieR II/328/allwise
0.0139 Jy ± 0.0003 WISE:W1 · II/328/allwise VizieR II/328/allwise
0.00735 Jy ± 0.00053 2MASS:Ks · II/328/allwise VizieR II/328/allwise
0.00765 Jy ± 0.00088 2MASS:H · II/328/allwise VizieR II/328/allwise
0.00647 Jy ± 0.00051 2MASS:J · II/328/allwise VizieR II/328/allwise
0.012 Jy ± 0.0021 SDSS:i' · II/336/apass9 VizieR II/336/apass9
0.00915 Jy ± 0.00036 SDSS:r' · II/336/apass9 VizieR II/336/apass9
0.00636 Jy ± 0.00022 Johnson:V · II/336/apass9 VizieR II/336/apass9
0.00417 Jy ± 0.00013 SDSS:g' · II/336/apass9 VizieR II/336/apass9
0.00302 Jy ± 0.00019 Johnson:B · II/336/apass9 VizieR II/336/apass9
8.13 Jy IRAS:100 · II/338/catalog VizieR II/338/catalog
2.5 Jy IRAS:60 · II/338/catalog VizieR II/338/catalog
0.247 Jy IRAS:25 · II/338/catalog VizieR II/338/catalog
0.0487 Jy WISE:W4 · II/338/catalog VizieR II/338/catalog
0.213 Jy IRAS:12 · II/338/catalog VizieR II/338/catalog
0.0228 Jy WISE:W3 · II/338/catalog VizieR II/338/catalog
0.00818 Jy WISE:W2 · II/338/catalog VizieR II/338/catalog
0.014 Jy WISE:W1 · II/338/catalog VizieR II/338/catalog
0.00726 Jy 2MASS:Ks · II/338/catalog VizieR II/338/catalog
0.00746 Jy 2MASS:H · II/338/catalog VizieR II/338/catalog
0.00654 Jy 2MASS:J · II/338/catalog VizieR II/338/catalog
0.0566 Jy ± 0.0054 SkyMapper/SkyMapper:z · II/358/smss VizieR II/358/smss
0.0459 Jy ± 0.0112 SkyMapper/SkyMapper:i · II/358/smss VizieR II/358/smss
0.0275 Jy ± 0.0087 SkyMapper/SkyMapper:r · II/358/smss VizieR II/358/smss
0.00466 Jy ± 0.00024 SkyMapper/SkyMapper:g · II/358/smss VizieR II/358/smss
0.000465 Jy ± 7.20e-05 SkyMapper/SkyMapper:v · II/358/smss VizieR II/358/smss
0.0485 Jy ± 0.0001 VISTA:Ks · II/359/vhs_dr4 VizieR II/359/vhs_dr4
0.0958 Jy ± 0.0001 VISTA:J · II/359/vhs_dr4 VizieR II/359/vhs_dr4
0.00747 Jy ± 6.00e-05 WISE:W2 · II/365/catwise VizieR II/365/catwise
0.0164 Jy ± 0.0002 WISE:W1 · II/365/catwise VizieR II/365/catwise
0.0474 Jy SkyMapper/SkyMapper:z · II/379/smssdr4 VizieR II/379/smssdr4
0.0446 Jy SkyMapper/SkyMapper:i · II/379/smssdr4 VizieR II/379/smssdr4
0.00147 Jy ± 0.0001 SkyMapper/SkyMapper:v · II/379/smssdr4 VizieR II/379/smssdr4
0.0409 Jy ± 0.0009 SkyMapper/SkyMapper:r · II/379/smssdr4 VizieR II/379/smssdr4
0.0457 Jy ± 0.0005 SkyMapper/SkyMapper:g · II/379/smssdr4 VizieR II/379/smssdr4
0.000182 Jy ± 5.00e-05 SkyMapper/SkyMapper:u · II/379/smssdr4 VizieR II/379/smssdr4
0.284 Jy WISE:W4 · IV/38/tic VizieR IV/38/tic
0.201 Jy WISE:W3 · IV/38/tic VizieR IV/38/tic
0.0538 Jy WISE:W2 · IV/38/tic VizieR IV/38/tic
0.0897 Jy WISE:W1 · IV/38/tic VizieR IV/38/tic
0.166 Jy 2MASS:Ks · IV/38/tic VizieR IV/38/tic
0.201 Jy Johnson:H · IV/38/tic VizieR IV/38/tic
0.169 Jy Johnson:J · IV/38/tic VizieR IV/38/tic
0.000546 Jy ± 1.20e-05 Gaia:G · IV/38/tic VizieR IV/38/tic
0.00157 Jy ± 0.0001 Johnson:V · IV/38/tic VizieR IV/38/tic
0.00302 Jy ± 0.00019 Johnson:B · IV/38/tic VizieR IV/38/tic
0.284 Jy WISE:W4 · IV/39/tic82 VizieR IV/39/tic82
0.201 Jy WISE:W3 · IV/39/tic82 VizieR IV/39/tic82
0.0538 Jy WISE:W2 · IV/39/tic82 VizieR IV/39/tic82
0.0897 Jy WISE:W1 · IV/39/tic82 VizieR IV/39/tic82
0.166 Jy 2MASS:Ks · IV/39/tic82 VizieR IV/39/tic82
0.201 Jy Johnson:H · IV/39/tic82 VizieR IV/39/tic82
0.169 Jy Johnson:J · IV/39/tic82 VizieR IV/39/tic82
0.000546 Jy ± 1.20e-05 Gaia:G · IV/39/tic82 VizieR IV/39/tic82
0.00157 Jy ± 0.0001 Johnson:V · IV/39/tic82 VizieR IV/39/tic82
0.00302 Jy ± 0.00019 Johnson:B · IV/39/tic82 VizieR IV/39/tic82
0.161 Jy ± 0.004 Johnson:K · VII/233/xsc VizieR VII/233/xsc
0.197 Jy ± 0.003 Johnson:H · VII/233/xsc VizieR VII/233/xsc
0.151 Jy ± 0.002 Johnson:J · VII/233/xsc VizieR VII/233/xsc
0.255 Jy Johnson:K · VII/242/catalog VizieR VII/242/catalog
0.155 Jy Johnson:J · VII/242/catalog VizieR VII/242/catalog
0.203 Jy ± 0.004 2MASS:H · VII/275/glade1 VizieR VII/275/glade1
0.165 Jy ± 0.003 2MASS:J · VII/275/glade1 VizieR VII/275/glade1
0.161 Jy ± 0.004 Johnson:K · VII/281/glade2 VizieR VII/281/glade2
0.201 Jy ± 0.004 Johnson:H · VII/281/glade2 VizieR VII/281/glade2
0.169 Jy ± 0.003 Johnson:J · VII/281/glade2 VizieR VII/281/glade2
0.161 Jy ± 0.004 Johnson:K · VII/291/gladep VizieR VII/291/gladep
0.201 Jy ± 0.004 Johnson:H · VII/291/gladep VizieR VII/291/gladep
0.169 Jy ± 0.003 Johnson:J · VII/291/gladep VizieR VII/291/gladep
0.00854 Jy ± 0.00095 Johnson:K · B/denis/denis VizieR B/denis/denis
0.00786 Jy ± 0.00065 Johnson:J · B/denis/denis VizieR B/denis/denis
0.00322 Jy ± 0.00012 Cousins:I · B/denis/denis VizieR B/denis/denis
0.115 Jy Cousins:I · J/ApJ/676/184/table1 VizieR J/ApJ/676/184/table1
0.166 Jy 2MASS:Ks · J/ApJ/702/955/table1 VizieR J/ApJ/702/955/table1
0.324 Jy ± 0.006 WISE:W4 · J/ApJ/864/40/table8 VizieR J/ApJ/864/40/table8
0.237 Jy ± 0.002 WISE:W3 · J/ApJ/864/40/table8 VizieR J/ApJ/864/40/table8
0.0631 Jy ± 0.0012 WISE:W2 · J/ApJ/864/40/table8 VizieR J/ApJ/864/40/table8
0.104 Jy ± 0.001 WISE:W1 · J/ApJ/864/40/table8 VizieR J/ApJ/864/40/table8
0.00765 Jy ± 0.00088 2MASS:H · J/ApJ/867/105/refcat2 VizieR J/ApJ/867/105/refcat2
0.00647 Jy ± 0.0005 2MASS:J · J/ApJ/867/105/refcat2 VizieR J/ApJ/867/105/refcat2
0.00328 Jy ± 3.00e-05 Gaia:G · J/ApJ/867/105/refcat2 VizieR J/ApJ/867/105/refcat2
0.0752 Jy :=1.4GHz · J/ApJ/872/148/table1 VizieR J/ApJ/872/148/table1
0.161 Jy Johnson:K · J/ApJ/872/148/table1 VizieR J/ApJ/872/148/table1
8.13 Jy IRAS:100 · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
2.5 Jy IRAS:60 · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.247 Jy IRAS:25 · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.213 Jy IRAS:12 · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.166 Jy 2MASS:Ks · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.203 Jy 2MASS:H · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.165 Jy 2MASS:J · J/ApJS/197/21/cgs VizieR J/ApJS/197/21/cgs
0.00493 Jy ± 0.00077 Cousins:R · J/ApJS/244/34/table1 VizieR J/ApJS/244/34/table1
5.34 Jy AKARI:N160 · J/A+A/514/A3/catalog VizieR J/A+A/514/A3/catalog
7.9 Jy AKARI:WIDE-L · J/A+A/514/A3/catalog VizieR J/A+A/514/A3/catalog
2.34 Jy AKARI:WIDE-S · J/A+A/514/A3/catalog VizieR J/A+A/514/A3/catalog
0.81 Jy AKARI:N60 · J/A+A/514/A3/catalog VizieR J/A+A/514/A3/catalog
0.161 Jy Johnson:K · J/A+A/683/A112/lqac6 VizieR J/A+A/683/A112/lqac6
0.201 Jy Johnson:H · J/A+A/683/A112/lqac6 VizieR J/A+A/683/A112/lqac6
0.169 Jy Johnson:J · J/A+A/683/A112/lqac6 VizieR J/A+A/683/A112/lqac6
0.00292 Jy Gaia:G · J/A+A/683/A112/lqac6 VizieR J/A+A/683/A112/lqac6
0.000372 Jy WISE:W2 · J/A+A/706/A284/regalade VizieR J/A+A/706/A284/regalade
0.00115 Jy WISE:W1 · J/A+A/706/A284/regalade VizieR J/A+A/706/A284/regalade
2.5 Jy IRAS:60 · J/MNRAS/375/931/table3 VizieR J/MNRAS/375/931/table3
0.195 Jy 2MASS:Ks · J/MNRAS/375/931/table3 VizieR J/MNRAS/375/931/table3
8.17 Jy IRAS:100 · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
2.98 Jy IRAS:60 · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.31 Jy IRAS:25 · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.35 Jy IRAS:12 · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.166 Jy ± 0.005 2MASS:Ks · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.204 Jy ± 0.004 2MASS:H · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.165 Jy ± 0.003 2MASS:J · J/MNRAS/398/109/iifsczv4 VizieR J/MNRAS/398/109/iifsczv4
0.157 Jy Johnson:K · J/MNRAS/416/2840/catalog VizieR J/MNRAS/416/2840/catalog
0.28 Jy ± 0.003 WISE:W4 · J/MNRAS/474/5363/table1 VizieR J/MNRAS/474/5363/table1
0.214 Jy ± 0.001 WISE:W3 · J/MNRAS/474/5363/table1 VizieR J/MNRAS/474/5363/table1
0.0885 Jy ± 0.0005 WISE:W1 · J/MNRAS/474/5363/table1 VizieR J/MNRAS/474/5363/table1
0.0538 Jy ± 0.0018 WISE:W4 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.0206 Jy ± 0.0003 WISE:W3 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.00805 Jy ± 0.00015 WISE:W2 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.0139 Jy ± 0.0003 WISE:W1 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
8.13 Jy IRAS:100 · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
2.5 Jy IRAS:60 · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
0.247 Jy IRAS:25 · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
0.213 Jy IRAS:12 · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
0.203 Jy ± 0.002 2MASS:H · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
0.389 Jy ± 0.005 2MASS:J · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
8.13 Jy IRAS:100 · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
2.5 Jy IRAS:60 · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
0.247 Jy IRAS:25 · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
0.213 Jy IRAS:12 · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
0.203 Jy ± 0.002 2MASS:H · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
0.165 Jy ± 0.001 2MASS:J · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2

У тому самому полі

within 9 arcmin · wider search
Об’єктТипВідстань на небіV
HD 113653 SB* 501.9″ 9.03

Походження запису

where this card came from
АрхівПрочитано (UTC)Запис
Gaia DR3 2026-09-17 17:26 open at source
NED 2026-09-17 17:26 open at source
SIMBAD 2026-09-17 17:26 open at source
VizieR 2026-09-17 17:26 open at source

Machine-readable: /api/v1/object/ngc-4947 · Registry entry updated 2026-09-06.