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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185161991 (SMSS J172724.59-200433.6)

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Data releaseDR4
RA (deg)261.8525
Dec (deg)-20.0760
Galactic lon. (deg)5.2989
Galactic lat. (deg)8.2293
E(B-V) (SFD98) (mag)0.943
E(B-V) (GNILC) (mag)0.721 ± 0.032
Nearest DR4 source 185161988 (5.1 arcs away)
2nd-nearest DR4 source 185161989 (5.2 arcs away)
3rd-nearest DR4 source 185161990 (5.4 arcs away)
Times observed11
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 19.703 ± 0.325 18.826 ± 0.209 18.275 ± 0.152 17.993 ± 0.183
Petrosian mag. 19.184 ± 0.090 18.320 ± 0.133 17.698 ± 0.08 17.713 ± 0.134

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 20190506165109 19.963 ± 0.086 0,0 100 2
r 20190506165309 19.186 ± 0.080 0,0 100 2
r 20190507143327 19.168 ± 0.087 0,0 100 2
r 20190822094324 19.218 ± 0.092 0,0 100 2
i 20150901084153 18.421 ± 0.078 1,0 100 2
i 20150901084554 18.472 ± 0.084 0,0 100 2
i 20190505170526 18.464 ± 0.090 0,0 100 2
i 20190509140533 18.456 ± 0.093 16,0 100 2
i 20190720124743 18.500 ± 0.109 0,0 100 2
z 20150901084353 18.112 ± 0.099 0,0 100 2
z 20150901084754 18.194 ± 0.113 0,0 100 2
z 20190505170726 18.277 ± 0.134 0,0 100 2
z 20190509140733 18.170 ± 0.120 16,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.49 0.92
GAIA source ID 4121272638113507328 4121272638113507456
Bp mag. -- --
G mag. 20.673 20.665
Rp mag. -- --
Bp/Rp excess -- --
Parallax (mas) -- ± -- -- ± --
PM RA (mas/yr) -- ± -- -- ± --
PM Dec (mas/yr) -- ± -- -- ± --
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.028

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.102 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 17.107 ± 0.028
H -- ± --
K 16.440 ± 0.060
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.