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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179855451 (SMSS J172703.59-202945.6)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.765
Dec (deg)-20.496
Galactic lon. (deg)4.898
Galactic lat. (deg)8.070
E(B-V) (SFD98) (mag)0.739
E(B-V) (GNILC) (mag)0.640 ± 0.033
Nearest DR4 source 179855474 (8.3 arcs away)
2nd-nearest DR4 source 179855473 (12.1 arcs away)
3rd-nearest DR4 source 179855449 (12.1 arcs away)
Times observed2
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.817 ± 0.065 —
Petrosian mag. — — — — 18.853 ± 0.124 —

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)
i 20150901084153 18.910 ± 0.118 0,0 100 2
i 20150901084554 18.913 ± 0.121 16,0 100 2
i 20190505170526 18.858 ± 0.113 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 0.45
GAIA source ID 4121225599611151232 4121225595335989888
Bp mag. -- 20.175
G mag. 20.871 19.824
Rp mag. -- 18.474
Bp/Rp excess -- 1.985
Parallax (mas) -- ± -- 1.192 ± 0.577
PM RA (mas/yr) -- ± -- -4.534 ± 0.680
PM Dec (mas/yr) -- ± -- -9.529 ± 0.486
A.E.N. (mas) 27.480 ± 40.813 2.181 ± 5.266

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.536 ± 0.024
r 19.302 ± 0.010
i 18.780 ± 0.017
z 18.515 ± 0.017
Y -- ± --
J 17.189 ± 0.033
H -- ± --
K 16.499 ± 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.