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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185161344 (SMSS J172727.90-200913.7)

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Data releaseDR4
RA (deg)261.866
Dec (deg)-20.154
Galactic lon. (deg)5.24
Galactic lat. (deg)8.176
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.651 ± 0.027
Nearest DR4 source 185161345 (5.3 arcs away)
2nd-nearest DR4 source 185161351 (5.9 arcs away)
3rd-nearest DR4 source 185161341 (6.5 arcs away)
Times observed23
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.463 ± 0.044 18.767 ± 0.036 18.204 ± 0.029 17.813 ± 0.034
Petrosian mag. — — 19.473 ± 0.077 18.778 ± 0.050 18.286 ± 0.063 17.839 ± 0.060

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 20190505165725 19.436 ± 0.067 3,0 100 2
g 20190506165109 19.368 ± 0.054 3,0 100 2
g 20190507143127 19.456 ± 0.071 1,0 100 2
r 20190505165926 18.673 ± 0.069 1,0 100 2
r 20190506165309 18.661 ± 0.055 3,0 100 2
r 20190507143327 18.765 ± 0.067 3,0 100 2
r 20190822094324 18.728 ± 0.066 3,0 100 2
i 20140722114229 18.204 ± 0.149 0,0 10 2
i 20140729111202 18.159 ± 0.144 0,0 10 2
i 20150901084153 18.114 ± 0.062 1,0 100 2
i 20150901084554 18.070 ± 0.063 1,0 100 2
i 20190505170526 18.077 ± 0.068 1,0 100 2
i 20190509140533 18.183 ± 0.082 1,0 100 2
i 20190720124743 18.072 ± 0.091 1,0 100 2
i 20200513190610 18.284 ± 0.087 0,0 100 2
z 20140722114259 17.821 ± 0.134 0,0 20 2
z 20140729111235 17.627 ± 0.117 0,0 20 2
z 20150901084353 17.784 ± 0.075 0,0 100 2
z 20150901084754 17.905 ± 0.089 0,0 100 2
z 20190505170726 17.789 ± 0.090 0,0 100 2
z 20190508164202 17.903 ± 0.098 0,0 100 2
z 20190509140733 17.720 ± 0.090 0,0 100 2
z 20190720124943 17.661 ± 0.092 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.78 1.18
GAIA source ID 4121259272218552064 4121259272174411264
Bp mag. 19.624 --
G mag. 18.918 19.584
Rp mag. 18.061 --
Bp/Rp excess 1.305 --
Parallax (mas) 0.268 ± 0.257 -0.461 ± 0.420
PM RA (mas/yr) 0.860 ± 0.288 0.959 ± 0.535
PM Dec (mas/yr) -3.399 ± 0.210 -4.205 ± 0.403
A.E.N. (mas) 0.205 ± 0.193 0.474 ± 0.374

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.539 ± 0.011
i -- ± --
z -- ± --
Y -- ± --
J 16.864 ± 0.022
H -- ± --
K 16.308 ± 0.054
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
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.