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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185218758 (SMSS J172902.45-201042.0)

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Data releaseDR4
RA (deg)262.2602
Dec (deg)-20.1784
Galactic lon. (deg)5.4216
Galactic lat. (deg)7.8521
E(B-V) (SFD98) (mag)0.896
E(B-V) (GNILC) (mag)0.727 ± 0.035
Nearest DR4 source 2275926920 (7.6 arcs away)
2nd-nearest DR4 source 185218786 (7.8 arcs away)
3rd-nearest DR4 source 185218757 (8.2 arcs away)
Times observed32
Total bad pixels3
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 18.695 ± 0.020 17.568 ± 0.014 16.654 ± 0.013 16.132 ± 0.014
Petrosian mag. — — 18.701 ± 0.067 17.527 ± 0.033 16.576 ± 0.029 16.044 ± 0.036

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)
g 20140729111106 18.752 ± 0.154 0,0 5 2
g 20190505165725 18.710 ± 0.035 0,0 100 2
g 20190506165109 18.903 ± 0.042 0,20 100 2
g 20190507143127 18.733 ± 0.054 0,0 100 2
g 20190822094124 18.691 ± 0.045 0,0 100 2
r 20140722114203 17.612 ± 0.083 0,0 5 2
r 20140729111131 17.528 ± 0.072 0,0 5 2
r 20160420172325 17.489 ± 0.092 0,0 5 2
r 20190505165926 17.564 ± 0.037 0,0 100 2
r 20190506165309 17.745 ± 0.037 0,25 100 2
r 20190507143327 17.597 ± 0.049 0,0 100 2
r 20190822094324 17.578 ± 0.042 0,0 100 2
i 20140722114229 16.736 ± 0.055 0,0 10 2
i 20140729111202 16.730 ± 0.052 0,0 10 2
i 20150901084153 16.598 ± 0.035 0,0 100 2
i 20150901084554 16.622 ± 0.034 0,0 100 2
i 20160420172350 16.771 ± 0.062 0,0 10 2
i 20180605125802 16.643 ± 0.064 0,0 10 2
i 20190505170526 16.616 ± 0.034 0,0 100 2
i 20190508164002 16.639 ± 0.034 0,0 100 2
i 20190509140533 16.608 ± 0.063 0,3 100 2
i 20190720124743 16.607 ± 0.070 0,0 100 2
i 20210411183047 16.734 ± 0.070 0,0 10 2
z 20140722114259 16.107 ± 0.044 0,0 20 2
z 20140729111235 16.118 ± 0.042 0,0 20 2
z 20150901084353 16.072 ± 0.034 0,0 100 2
z 20150901084754 16.071 ± 0.035 0,0 100 2
z 20160420172420 16.204 ± 0.048 0,0 20 2
z 20180605125833 16.107 ± 0.052 0,0 20 2
z 20190505170726 16.105 ± 0.037 0,0 100 2
z 20190508164202 16.111 ± 0.030 0,0 100 2
z 20190509140733 16.099 ± 0.062 0,0 100 2
z 20190720124943 16.087 ± 0.068 0,0 100 2
z 20210411183118 16.259 ± 0.057 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 2.25
GAIA source ID 4121074584273194496 4121074588614886144
Bp mag. 18.503 20.729
G mag. 17.334 19.851
Rp mag. 16.298 18.310
Bp/Rp excess 1.340 2.063
Parallax (mas) 0.148 ± 0.086 0.843 ± 0.634
PM RA (mas/yr) -1.033 ± 0.105 1.366 ± 0.800
PM Dec (mas/yr) -6.757 ± 0.072 -0.808 ± 0.532
A.E.N. (mas) 0.0 ± 0.0 2.993 ± 7.512

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.532 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 14.648 ± 0.035
H 13.784 ± 0.043
K 13.531 ± 0.038
W1 13.128 ± 0.013
W2 13.209 ± 0.012
W3 11.628 ± 0.302
W4 8.465 ± 0.419
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.