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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163361 (SMSS J172709.21-200308.6)

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Data releaseDR4
RA (deg)261.7884
Dec (deg)-20.0524
Galactic lon. (deg)5.2858
Galactic lat. (deg)8.2927
E(B-V) (SFD98) (mag)1.057
E(B-V) (GNILC) (mag)0.785 ± 0.042
Nearest DR4 source 185163368 (9.0 arcs away)
2nd-nearest DR4 source 185163369 (9.6 arcs away)
3rd-nearest DR4 source 185163360 (9.6 arcs away)
Times observed19
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.633 ± 0.032 18.809 ± 0.020 18.128 ± 0.018 17.774 ± 0.017
Petrosian mag. — — 19.962 ± 0.076 19.095 ± 0.060 18.346 ± 0.060 18.159 ± 0.059

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 19.652 ± 0.072 0,0 100 2
g 20190506165109 19.641 ± 0.067 0,0 100 2
g 20190822094124 19.680 ± 0.071 0,0 100 2
r 20140729111131 19.206 ± 0.29 512,0 5 2
r 20190505165926 18.832 ± 0.068 0,0 100 2
r 20190506165309 18.844 ± 0.062 0,0 100 2
r 20190822094324 18.848 ± 0.064 0,0 100 2
i 20140729111202 18.124 ± 0.140 512,0 10 2
i 20150901084153 18.109 ± 0.062 0,0 100 2
i 20150901084554 18.177 ± 0.068 1024,0 100 2
i 20190505170526 18.203 ± 0.069 0,0 100 2
i 20190508164002 18.280 ± 0.077 1024,0 100 2
i 20190509140533 18.180 ± 0.076 0,0 100 2
i 20190720124743 18.172 ± 0.089 0,0 100 2
i 20200513190610 18.288 ± 0.083 0,0 100 2
z 20140722114259 17.833 ± 0.136 0,0 20 2
z 20140729111235 17.745 ± 0.130 0,0 20 2
z 20150901084353 17.890 ± 0.082 0,0 100 2
z 20150901084754 17.836 ± 0.085 0,0 100 2
z 20190505170726 17.850 ± 0.087 0,0 100 2
z 20190508164202 17.906 ± 0.090 0,0 100 2
z 20190509140733 17.731 ± 0.087 0,0 100 2
z 20190720124943 17.767 ± 0.092 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.21 0.67
GAIA source ID 4121275799254388480 4121275799210129152
Bp mag. 19.463 --
G mag. 18.875 19.945
Rp mag. 17.761 --
Bp/Rp excess 1.597 --
Parallax (mas) -1.865 ± 0.502 -- ± --
PM RA (mas/yr) 2.472 ± 0.519 -- ± --
PM Dec (mas/yr) -10.362 ± 0.389 -- ± --
A.E.N. (mas) 2.601 ± 38.444 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.765 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.512 ± 0.017
H -- ± --
K 15.945 ± 0.039
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.