UPSA Реєстр об’єктів
Registry · deep sky

NGC 821

AGN Candidate SIMBAD AG? 598 papers Gaia DR3NEDSIMBADVizieR
Пряме сходження
02h 08m 21.14s
Схилення
+10° 59′ 41.8″
Галактичні l, b
151.56, -47.56
Зоряна величина V
11.31
Червоне зміщення
0.005814
Променева швидкість
1,737.9 km/s
Кутовий розмір
4.001′ × 2.441′

Також відомий як

14 identifiers

2MASS J02082113+10594172MASX J02082114+1059415Gaia DR3 2571198806158880896K73 89LEDA 8160NGC 821TIC 337010656UGC 1631UZC J020821.2+105941Z 0205.7+1045Z 438-33[FBP2004] S2[FWB89] Galaxy 67MCG+02-06-034

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 5 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
23.23 Mpc SIMBAD 2016AJ....152...50T 2016
23.23 Mpc ± 0.14 SIMBAD 2013AJ....146...86T 2013
23.4 Mpc redshift SIMBAD 2011MNRAS.413..813C 2011
24.1 Mpc SBF SIMBAD 2008ApJ...676..184T 2008
20.1 Mpc SIMBAD 2008MNRAS.389.1924F 2008

Променева швидкість 10 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
1,753 km/s v SIMBAD 2016AJ....152...50T 2016
1,753 km/s v SIMBAD 2015AJ....149..171T 2015
1,629.8 km/s ± 13.4 V SIMBAD 2015ApJS..218...10V 2015
1,750 km/s ± 10 v SIMBAD 2008AJ....135.2424O 2008
0.005783 km/s z SIMBAD 2000MNRAS.313..469S 2000
1,714 km/s ± 38 cz SIMBAD 1999PASP..111..438F 1999
1,717 km/s v SIMBAD 1997ApJS..112..315H 1997
1,718 km/s v SIMBAD 1995ApJS...98..477H 1995
0.005731 km/s ± 5.00e-05 z SIMBAD 1991RC3v9.C......0D 1991
1,778 km/s v SIMBAD 1973UGC...C......0N 1973

Зоряна величина 12 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
11.5724 mag ± 0.0034 g · A SIMBAD 2023ApJS..269....3M 2023
10.7146 mag ± 0.0038 r · A SIMBAD 2023ApJS..269....3M 2023
10.0574 mag ± 0.0034 z · A SIMBAD 2023ApJS..269....3M 2023
17.25867 mag G · Gaia DR3 Gaia DR3 2023A&A...674A...1G 2023
17.26013 mag ± 0.02991 G · V SIMBAD 2020yCat.1350....0G 2020
12.21 mag B · V SIMBAD 2008A&A...487..485H 2008
11.31 mag V · V SIMBAD 2008A&A...487..485H 2008
10.739 mag R · V SIMBAD 2008A&A...487..485H 2008
9.744 mag I · V SIMBAD 2008A&A...487..485H 2008
8.8 mag ± 0.013 J · V SIMBAD 2006AJ....131.1163S 2006
8.139 mag ± 0.013 H · V SIMBAD 2006AJ....131.1163S 2006
7.9 mag ± 0.019 K · V SIMBAD 2006AJ....131.1163S 2006

Розподіл енергії у спектрі 144 values

ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
0.0533 Jy 2MASS:H · I/297/out VizieR I/297/out
0.0401 Jy 2MASS:J · I/297/out VizieR I/297/out
0.0449 Jy ± 0.0033 2MASS:Ks · I/322A/out VizieR I/322A/out
0.0533 Jy ± 0.0054 2MASS:H · I/322A/out VizieR I/322A/out
0.0401 Jy ± 0.003 2MASS:J · I/322A/out VizieR I/322A/out
0.0238 Jy ± 0.0018 Johnson:B · I/342/f3 VizieR I/342/f3
0.0143 Jy ± 0.0002 GAIA/GAIA3:Grp · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.000403 Jy ± 1.10e-05 GAIA/GAIA3:G · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.00486 Jy ± 6.00e-05 GAIA/GAIA3:Gbp · I/350/gaiaedr3 VizieR I/350/gaiaedr3
0.00761 Jy ± 0.00101 WISE:W4 · I/353/gsc242 VizieR I/353/gsc242
0.00985 Jy ± 0.00024 WISE:W3 · I/353/gsc242 VizieR I/353/gsc242
0.0396 Jy ± 0.0007 WISE:W2 · I/353/gsc242 VizieR I/353/gsc242
Show the remaining 132
ЗначенняОдиницяПохибка Смуга / методДжерелоПосиланняРік
0.071 Jy ± 0.0015 WISE:W1 · I/353/gsc242 VizieR I/353/gsc242
0.0449 Jy ± 0.0031 2MASS:Ks · I/353/gsc242 VizieR I/353/gsc242
0.0534 Jy ± 0.0054 2MASS:H · I/353/gsc242 VizieR I/353/gsc242
0.0401 Jy ± 0.003 2MASS:J · I/353/gsc242 VizieR I/353/gsc242
0.0139 Jy ± 0.0009 SDSS:z · I/353/gsc242 VizieR I/353/gsc242
0.0112 Jy ± 0.0013 SDSS:i · I/353/gsc242 VizieR I/353/gsc242
0.00833 Jy ± 0.00085 SDSS:r · I/353/gsc242 VizieR I/353/gsc242
0.0034 Jy ± 0.00013 SDSS:g · I/353/gsc242 VizieR I/353/gsc242
0.0143 Jy ± 0.0002 GAIA/GAIA3:Grp · I/355/gaiadr3 VizieR I/355/gaiadr3
0.000403 Jy ± 1.10e-05 GAIA/GAIA3:G · I/355/gaiadr3 VizieR I/355/gaiadr3
0.00486 Jy ± 6.00e-05 GAIA/GAIA3:Gbp · I/355/gaiadr3 VizieR I/355/gaiadr3
0.0759 Jy ± 0.0007 Johnson:K · II/246/out VizieR II/246/out
0.0953 Jy ± 0.0004 Johnson:H · II/246/out VizieR II/246/out
0.0737 Jy ± 0.0003 Johnson:J · II/246/out VizieR II/246/out
0.0076 Jy ± 0.00078 WISE:W4 · II/311/wise VizieR II/311/wise
0.0102 Jy ± 0.0002 WISE:W3 · II/311/wise VizieR II/311/wise
0.0401 Jy ± 0.0007 WISE:W2 · II/311/wise VizieR II/311/wise
0.0728 Jy ± 0.0015 WISE:W1 · II/311/wise VizieR II/311/wise
0.0449 Jy ± 0.0031 2MASS:Ks · II/311/wise VizieR II/311/wise
0.0533 Jy ± 0.0054 2MASS:H · II/311/wise VizieR II/311/wise
0.0401 Jy ± 0.003 2MASS:J · II/311/wise VizieR II/311/wise
0.000508 Jy ± 1.50e-05 GALEX:NUV · II/312/ais VizieR II/312/ais
3.98000e-05 Jy ± 7.30e-06 GALEX:FUV · II/312/ais VizieR II/312/ais
0.00761 Jy ± 0.00101 WISE:W4 · II/328/allwise VizieR II/328/allwise
0.00985 Jy ± 0.00024 WISE:W3 · II/328/allwise VizieR II/328/allwise
0.0396 Jy ± 0.0007 WISE:W2 · II/328/allwise VizieR II/328/allwise
0.071 Jy ± 0.0015 WISE:W1 · II/328/allwise VizieR II/328/allwise
0.0449 Jy ± 0.0031 2MASS:Ks · II/328/allwise VizieR II/328/allwise
0.0533 Jy ± 0.0054 2MASS:H · II/328/allwise VizieR II/328/allwise
0.0401 Jy ± 0.003 2MASS:J · II/328/allwise VizieR II/328/allwise
0.057 Jy ± 0.0016 SDSS:i' · II/336/apass9 VizieR II/336/apass9
0.0369 Jy ± 0.0006 SDSS:r' · II/336/apass9 VizieR II/336/apass9
0.0261 Jy ± 0.0008 Johnson:V · II/336/apass9 VizieR II/336/apass9
0.0166 Jy ± 0.0003 SDSS:g' · II/336/apass9 VizieR II/336/apass9
0.0114 Jy ± 0.0008 Johnson:B · II/336/apass9 VizieR II/336/apass9
0.0179 Jy ± 0 PAN-STARRS/PS1:y · II/349/ps1 VizieR II/349/ps1
0.00372 Jy PAN-STARRS/PS1:i · II/349/ps1 VizieR II/349/ps1
0.00416 Jy ± 0.00054 PAN-STARRS/PS1:r · II/349/ps1 VizieR II/349/ps1
0.00204 Jy ± 1.00e-05 PAN-STARRS/PS1:g · II/349/ps1 VizieR II/349/ps1
0.0051 Jy ± 1.00e-05 PAN-STARRS/PS1:z · II/349/ps1 VizieR II/349/ps1
0.032 Jy ± 0.0002 WISE:W2 · II/365/catwise VizieR II/365/catwise
0.0688 Jy ± 0.0008 WISE:W1 · II/365/catwise VizieR II/365/catwise
0.106 Jy ± 0.006 SkyMapper/SkyMapper:z · II/379/smssdr4 VizieR II/379/smssdr4
0.0883 Jy ± 0.0055 SkyMapper/SkyMapper:i · II/379/smssdr4 VizieR II/379/smssdr4
0.0637 Jy ± 0.0054 SkyMapper/SkyMapper:r · II/379/smssdr4 VizieR II/379/smssdr4
0.0402 Jy ± 0.0039 SkyMapper/SkyMapper:g · II/379/smssdr4 VizieR II/379/smssdr4
0.00207 Jy ± 0.00013 SkyMapper/SkyMapper:v · II/379/smssdr4 VizieR II/379/smssdr4
0.00069 Jy ± 0.000196 SkyMapper/SkyMapper:u · II/379/smssdr4 VizieR II/379/smssdr4
0.00787 Jy ± 0.00033 PAN-STARRS/PS1:y · II/389/ps1_dr2 VizieR II/389/ps1_dr2
0.0051 Jy ± 1.00e-05 PAN-STARRS/PS1:z · II/389/ps1_dr2 VizieR II/389/ps1_dr2
0.0085 Jy ± 0.00127 PAN-STARRS/PS1:i · II/389/ps1_dr2 VizieR II/389/ps1_dr2
0.0048 Jy ± 0.00018 PAN-STARRS/PS1:r · II/389/ps1_dr2 VizieR II/389/ps1_dr2
0.00249 Jy ± 0.00015 PAN-STARRS/PS1:g · II/389/ps1_dr2 VizieR II/389/ps1_dr2
0.00761 Jy ± 0.00101 WISE:W4 · IV/38/tic VizieR IV/38/tic
0.00985 Jy ± 0.00024 WISE:W3 · IV/38/tic VizieR IV/38/tic
0.0396 Jy ± 0.0007 WISE:W2 · IV/38/tic VizieR IV/38/tic
0.071 Jy ± 0.0015 WISE:W1 · IV/38/tic VizieR IV/38/tic
0.0449 Jy ± 0.0031 2MASS:Ks · IV/38/tic VizieR IV/38/tic
0.0528 Jy ± 0.0053 Johnson:H · IV/38/tic VizieR IV/38/tic
0.0409 Jy ± 0.0031 Johnson:J · IV/38/tic VizieR IV/38/tic
0.0115 Jy ± 0.0021 Johnson:V · IV/38/tic VizieR IV/38/tic
0.0114 Jy ± 0.0008 Johnson:B · IV/38/tic VizieR IV/38/tic
0.00761 Jy ± 0.00101 WISE:W4 · IV/39/tic82 VizieR IV/39/tic82
0.00985 Jy ± 0.00024 WISE:W3 · IV/39/tic82 VizieR IV/39/tic82
0.0396 Jy ± 0.0007 WISE:W2 · IV/39/tic82 VizieR IV/39/tic82
0.071 Jy ± 0.0015 WISE:W1 · IV/39/tic82 VizieR IV/39/tic82
0.0449 Jy ± 0.0031 2MASS:Ks · IV/39/tic82 VizieR IV/39/tic82
0.0528 Jy ± 0.0053 Johnson:H · IV/39/tic82 VizieR IV/39/tic82
0.0409 Jy ± 0.0031 Johnson:J · IV/39/tic82 VizieR IV/39/tic82
0.0115 Jy ± 0.0021 Johnson:V · IV/39/tic82 VizieR IV/39/tic82
0.0114 Jy ± 0.0008 Johnson:B · IV/39/tic82 VizieR IV/39/tic82
0.000377 Jy Gaia:G · V/162/dr11l VizieR V/162/dr11l
0.415 Jy ± 0.007 Johnson:K · VII/233/xsc VizieR VII/233/xsc
0.53 Jy ± 0.006 Johnson:H · VII/233/xsc VizieR VII/233/xsc
0.39 Jy ± 0.003 Johnson:J · VII/233/xsc VizieR VII/233/xsc
0.54 Jy ± 0.006 2MASS:H · VII/275/glade1 VizieR VII/275/glade1
0.437 Jy ± 0.004 2MASS:J · VII/275/glade1 VizieR VII/275/glade1
0.415 Jy ± 0.007 Johnson:K · VII/281/glade2 VizieR VII/281/glade2
0.535 Jy ± 0.006 Johnson:H · VII/281/glade2 VizieR VII/281/glade2
0.446 Jy ± 0.004 Johnson:J · VII/281/glade2 VizieR VII/281/glade2
0.415 Jy ± 0.007 Johnson:K · VII/291/gladep VizieR VII/291/gladep
0.535 Jy ± 0.006 Johnson:H · VII/291/gladep VizieR VII/291/gladep
0.446 Jy ± 0.004 Johnson:J · VII/291/gladep VizieR VII/291/gladep
0.43 Jy 2MASS:Ks · J/ApJ/702/955/table1 VizieR J/ApJ/702/955/table1
0.0273 Jy Spitzer/MIPS:160 · J/ApJ/707/890/table1 VizieR J/ApJ/707/890/table1
0.0163 Jy Spitzer/MIPS:70 · J/ApJ/707/890/table1 VizieR J/ApJ/707/890/table1
0.0154 Jy ± 0.0048 Spitzer/MIPS:24 · J/ApJ/707/890/table1 VizieR J/ApJ/707/890/table1
0.469 Jy Johnson:K · J/ApJ/731/L41/table1 VizieR J/ApJ/731/L41/table1
1.49 Jy ± 0.57 IRAS:100 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.57 Jy ± 0.054 IRAS:60 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.04 Jy ± 0.033 IRAS:25 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.0154 Jy ± 0.0048 Spitzer/MIPS:24 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.11 Jy ± 0.048 IRAS:12 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.0367 Jy ± 0.0018 Spitzer/IRAC:8.0 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.0487 Jy ± 0.0024 Spitzer/IRAC:5.8 · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
1.29000e-05 Jy ± 2.80e-06 GALEX:FUV · J/ApJ/783/135/galaxies VizieR J/ApJ/783/135/galaxies
0.0761 Jy ± 0.0006 WISE:W2 · J/ApJ/797/55/table1 VizieR J/ApJ/797/55/table1
0.14 Jy ± 0.001 WISE:W1 · J/ApJ/797/55/table1 VizieR J/ApJ/797/55/table1
1.35 Jy :=1.4GHz · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.0172 Jy WISE:W4 · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.0389 Jy WISE:W3 · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.157 Jy WISE:W2 · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.293 Jy WISE:W1 · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.392 Jy 2MASS:Ks · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
5.81000e-05 Jy GALEX:FUV · J/ApJ/818/182/galaxies VizieR J/ApJ/818/182/galaxies
0.0533 Jy ± 0.0053 2MASS:H · J/ApJ/867/105/refcat2 VizieR J/ApJ/867/105/refcat2
0.0401 Jy ± 0.003 2MASS:J · J/ApJ/867/105/refcat2 VizieR J/ApJ/867/105/refcat2
0.022 Jy IRAS:60 · J/ApJS/192/10/table1 VizieR J/ApJS/192/10/table1
0.0177 Jy ± 0.0001 Spitzer/IRAC:8.0 · J/ApJS/259/37/table6 VizieR J/ApJS/259/37/table6
760 Jy IRAS:100 · J/A+A/429/819/table4 VizieR J/A+A/429/819/table4
0 Jy IRAS:60 · J/A+A/429/819/table4 VizieR J/A+A/429/819/table4
760 Jy IRAS:100 · J/A+A/441/451/photom VizieR J/A+A/441/451/photom
0.0764 Jy ± 0.0237 AKARI:L18W · J/A+A/605/A74/tablea1 VizieR J/A+A/605/A74/tablea1
0.0652 Jy ± 0.0145 AKARI:S9W · J/A+A/605/A74/tablea1 VizieR J/A+A/605/A74/tablea1
0.00183 Jy WISE:W2 · J/A+A/706/A284/regalade VizieR J/A+A/706/A284/regalade
0.00591 Jy WISE:W1 · J/A+A/706/A284/regalade VizieR J/A+A/706/A284/regalade
0.463 Jy 2MASS:Ks · J/AJ/146/86/table1 VizieR J/AJ/146/86/table1
0.463 Jy 2MASS:Ks · J/AJ/146/86/table2 VizieR J/AJ/146/86/table2
0.452 Jy Johnson:K · J/AJ/167/10/table5 VizieR J/AJ/167/10/table5
0.439 Jy Johnson:K · J/MNRAS/416/2840/catalog VizieR J/MNRAS/416/2840/catalog
0.00119 Jy ± 5.00e-05 GALEX:NUV · J/MNRAS/446/2030/table1 VizieR J/MNRAS/446/2030/table1
0.000169 Jy ± 2.50e-05 GALEX:FUV · J/MNRAS/446/2030/table1 VizieR J/MNRAS/446/2030/table1
0.0259 Jy Johnson:V · J/MNRAS/463/4210/ucac4rpm VizieR J/MNRAS/463/4210/ucac4rpm
0.0112 Jy Johnson:B · J/MNRAS/463/4210/ucac4rpm VizieR J/MNRAS/463/4210/ucac4rpm
0.00761 Jy ± 0.00101 WISE:W4 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.00985 Jy ± 0.00024 WISE:W3 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.0396 Jy ± 0.0007 WISE:W2 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.071 Jy ± 0.0015 WISE:W1 · J/MNRAS/494/1784/table1 VizieR J/MNRAS/494/1784/table1
0.583 Jy ± 0.007 2MASS:H · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
1.09 Jy ± 0.02 2MASS:J · J/MNRAS/506/1896/hecate VizieR J/MNRAS/506/1896/hecate
0.583 Jy ± 0.007 2MASS:H · J/MNRAS/548/G522/hecatev2 VizieR J/MNRAS/548/G522/hecatev2
0.476 Jy ± 0.006 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
BD+10 293 Star 57.63″ 9.29

Походження запису

where this card came from
АрхівПрочитано (UTC)Запис
Gaia DR3 2026-09-30 11:40 open at source
NED 2026-09-30 11:40 open at source
SIMBAD 2026-09-30 11:40 open at source
VizieR 2026-09-30 11:41 open at source

Machine-readable: /api/v1/object/ngc-821 · Registry entry updated 2026-10-11.