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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821173 (SMSS J172716.98-204930.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8208
Dec (deg)-20.8251
Galactic lon. (deg)4.6478
Galactic lat. (deg)7.8466
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.903 ± 0.044
Nearest DR4 source 179821072 (4.8 arcs away)
2nd-nearest DR4 source 179821073 (7.4 arcs away)
3rd-nearest DR4 source 179821174 (10.8 arcs away)
Times observed41
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — 18.882 ± 0.059 16.740 ± 0.025 15.829 ± 0.026 15.065 ± 0.018 14.644 ± 0.018
Petrosian mag. — 18.544 ± 0.278 16.525 ± 0.039 15.613 ± 0.047 14.887 ± 0.049 14.494 ± 0.048

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
v 20190505165526 18.816 ± 0.083 0,0 100 1
v 20190505170325 18.934 ± 0.089 0,0 100 1
v 20190505171125 18.816 ± 0.089 0,0 100 1
g 20140719114908 16.755 ± 0.038 0,0 5 2
g 20140722114132 16.858 ± 0.043 0,0 5 2
g 20140729111106 16.765 ± 0.038 2,0 5 2
g 20160420170043 16.818 ± 0.049 0,0 5 2
g 20180605124544 16.842 ± 0.043 0,3 5 2
g 20190505165725 16.778 ± 0.021 3,0 100 2
g 20190506165109 16.784 ± 0.023 3,0 100 2
g 20190507143127 16.784 ± 0.022 3,0 100 2
g 20200524153348 16.684 ± 0.054 0,0 5 3
g 20210407183532 16.800 ± 0.045 16,0 5 2
r 20140719114939 15.861 ± 0.029 2,0 5 2
r 20140722114203 15.878 ± 0.031 3,0 5 2
r 20140729111131 15.824 ± 0.029 3,0 5 2
r 20160420170109 15.848 ± 0.032 2,0 5 2
r 20190505165926 15.917 ± 0.026 3,0 100 2
r 20190506165309 15.907 ± 0.025 3,0 100 2
r 20190507143327 15.895 ± 0.034 3,0 100 2
r 20200524153415 15.874 ± 0.042 2,0 5 2
r 20210407183558 15.868 ± 0.035 16,0 5 2
i 20140719115004 15.146 ± 0.027 2,0 10 2
i 20140722114229 15.084 ± 0.029 3,0 10 2
i 20140729111202 15.076 ± 0.028 3,0 10 2
i 20150901084153 15.087 ± 0.029 3,0 100 2
i 20150901084554 15.092 ± 0.027 3,0 100 2
i 20160420170134 15.102 ± 0.024 3,0 10 2
i 20180605124636 15.112 ± 0.033 2,0 10 2
i 20190505170526 15.156 ± 0.029 3,0 100 2
i 20190508164002 15.122 ± 0.026 3,0 100 2
i 20190509140533 15.218 ± 0.046 3,0 100 2
i 20190720124743 15.975 ± 0.057 17,0 100 2
i 20200524153441 15.103 ± 0.034 2,0 10 2
i 20210407183626 15.139 ± 0.032 16,0 10 2
z 20140719115035 14.738 ± 0.027 2,0 20 2
z 20140722114259 14.658 ± 0.028 3,0 20 2
z 20140729111235 14.659 ± 0.029 3,0 20 2
z 20150901084353 14.663 ± 0.030 3,0 100 2
z 20150901084754 14.658 ± 0.028 3,0 100 2
z 20160420170204 14.663 ± 0.024 3,0 20 2
z 20180605124707 14.721 ± 0.032 2,1 20 2
z 20190505170726 14.655 ± 0.028 3,0 100 2
z 20190508164202 14.727 ± 0.025 3,0 100 2
z 20190509140733 14.818 ± 0.048 3,0 100 2
z 20200513183957 14.729 ± 0.030 3,0 100 2
z 20200524153511 14.637 ± 0.033 2,0 20 3
z 20210407183658 14.775 ± 0.030 18,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.2 0.87
GAIA source ID 4121023083350718464 4121023083384504832
Bp mag. 16.657 --
G mag. 15.738 19.919
Rp mag. 14.762 --
Bp/Rp excess 1.346 --
Parallax (mas) 0.728 ± 0.038 -- ± --
PM RA (mas/yr) -12.278 ± 0.048 -- ± --
PM Dec (mas/yr) -13.437 ± 0.034 -- ± --
A.E.N. (mas) 0.090 ± 1.202 1.808 ± 1.423

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.054 ± 0.003
r 15.929 ± 0.002
i 15.266 ± 0.002
z 14.916 ± 0.002
Y -- ± --
J 13.35 ± 0.051
H 12.789 ± 0.058
K 12.574 ± 0.043
W1 12.413 ± 0.024
W2 12.522 ± 0.019
W3 12.051 ± --
W4 8.397 ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.