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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151927 (SMSS J172716.73-202008.8)

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Data releaseDR4
RA (deg)261.8198
Dec (deg)-20.3358
Galactic lon. (deg)5.0618
Galactic lat. (deg)8.1138
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.585 ± 0.030
Nearest DR4 source 185151928 (6.1 arcs away)
2nd-nearest DR4 source 1219088701 (7.1 arcs away)
3rd-nearest DR4 source 185151919 (9.9 arcs away)
Times observed14
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.614 ± 0.069 18.876 ± 0.082 18.270 ± 0.079 17.968 ± 0.082
Petrosian mag. — — 19.760 ± 0.081 19.036 ± 0.071 18.429 ± 0.132 18.113 ± 0.154

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 19.581 ± 0.069 0,0 100 2
g 20190506165109 19.523 ± 0.061 0,0 100 2
g 20190507143127 19.671 ± 0.082 0,0 100 2
r 20190505165926 18.831 ± 0.069 0,0 100 2
r 20190506165309 18.777 ± 0.059 0,0 100 2
r 20190507143327 18.889 ± 0.072 0,0 100 2
i 20150901084153 18.266 ± 0.069 0,0 100 2
i 20150901084554 18.197 ± 0.069 0,0 100 2
i 20190505170526 18.094 ± 0.064 0,0 100 2
i 20190509140533 18.285 ± 0.081 0,0 100 2
i 20190720124743 18.204 ± 0.09 17,0 100 2
z 20150901084353 17.977 ± 0.088 0,0 100 2
z 20150901084754 17.993 ± 0.096 0,0 100 2
z 20190505170726 17.813 ± 0.085 0,0 100 2
z 20190509140733 17.930 ± 0.102 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.92 1.54
GAIA source ID 4121255458287402112 4121255458241780096
Bp mag. 19.862 20.256
G mag. 19.245 19.497
Rp mag. 18.333 18.733
Bp/Rp excess 1.386 1.211
Parallax (mas) -0.905 ± 0.460 0.924 ± 0.559
PM RA (mas/yr) -1.144 ± 0.454 -6.839 ± 0.574
PM Dec (mas/yr) -1.825 ± 0.328 -9.483 ± 0.402
A.E.N. (mas) 0.0 ± 0.0 0.430 ± 0.354

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.956 ± 0.008
i -- ± --
z -- ± --
Y -- ± --
J 17.168 ± 0.030
H -- ± --
K 16.663 ± 0.075
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.