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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151988 (SMSS J172717.80-201903.6)

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Data releaseDR4
RA (deg)261.8242
Dec (deg)-20.3176
Galactic lon. (deg)5.0794
Galactic lat. (deg)8.1202
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151985 (5.0 arcs away)
2nd-nearest DR4 source 185151982 (7.1 arcs away)
3rd-nearest DR4 source 185151989 (7.9 arcs away)
Times observed19
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.820 ± 0.183 18.275 ± 0.154 17.709 ± 0.090 17.454 ± 0.090
Petrosian mag. — — 17.882 ± 0.049 17.051 ± 0.202 16.740 ± 0.106 16.514 ± 0.128

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 19.184 ± 0.052 19,0 100 2
g 20190506165109 19.047 ± 0.044 3,0 100 2
g 20190507143127 19.131 ± 0.059 3,0 100 2
r 20140729111131 18.471 ± 0.152 0,0 5 2
r 20190505165926 18.410 ± 0.053 19,0 100 2
r 20190506165309 18.336 ± 0.046 3,0 100 2
r 20190507143327 18.385 ± 0.055 3,0 100 2
i 20140722114229 17.815 ± 0.108 0,0 10 2
i 20140729111202 18.064 ± 0.134 0,0 10 2
i 20150901084153 17.827 ± 0.051 3,0 100 2
i 20150901084554 17.848 ± 0.055 3,0 100 2
i 20190505170526 17.973 ± 0.060 3,0 100 2
i 20190508164002 17.989 ± 0.071 3,0 100 2
i 20190509140533 17.787 ± 0.063 3,0 100 2
i 20200513190610 17.874 ± 0.067 3,0 100 2
z 20140722114259 17.714 ± 0.123 0,0 20 2
z 20140729111235 17.479 ± 0.104 0,0 20 2
z 20150901084353 17.516 ± 0.062 3,0 100 2
z 20150901084754 17.604 ± 0.071 1,0 100 2
z 20190505170726 17.657 ± 0.076 18,0 100 2
z 20190508164202 17.608 ± 0.078 0,0 100 2
z 20190509140733 17.530 ± 0.079 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.3 2.32
GAIA source ID 4121255561326110976 4121255561326111232
Bp mag. 19.255 --
G mag. 18.526 20.014
Rp mag. 17.729 --
Bp/Rp excess 1.248 --
Parallax (mas) 0.169 ± 0.254 1.055 ± 1.002
PM RA (mas/yr) -2.872 ± 0.290 -3.482 ± 1.087
PM Dec (mas/yr) -5.268 ± 0.204 0.627 ± 0.750
A.E.N. (mas) 0.0 ± 0.0 1.902 ± 2.578

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.663 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 16.544 ± 0.017
H -- ± --
K 16.009 ± 0.041
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.