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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179852852 (SMSS J172742.79-203420.0)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.928
Dec (deg)-20.572
Galactic lon. (deg)4.917
Galactic lat. (deg)7.900
E(B-V) (SFD98) (mag)0.860
E(B-V) (GNILC) (mag)0.724 ± 0.038
Nearest DR4 source 179852851 (5.2 arcs away)
2nd-nearest DR4 source 179852853 (7.6 arcs away)
3rd-nearest DR4 source 179852838 (10.9 arcs away)
Times observed3
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.927 ± 0.109
Petrosian mag. — — — — — 17.550 ± 0.368

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)
z 20140729111235 18.052 ± 0.170 0,0 20 2
z 20150901084353 17.723 ± 0.074 3,0 100 2
z 20150901084754 17.992 ± 0.096 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.5 2.99
GAIA source ID 4121034834378494080 4121034834378489600
Bp mag. 21.198 20.561
G mag. 19.544 19.807
Rp mag. 18.314 18.736
Bp/Rp excess 1.464 1.491
Parallax (mas) 1.298 ± 0.517 -0.186 ± 0.507
PM RA (mas/yr) -1.492 ± 0.647 -4.183 ± 0.612
PM Dec (mas/yr) -2.587 ± 0.417 -2.568 ± 0.404
A.E.N. (mas) 1.747 ± 5.060 0.0 ± 0.000

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 20.090 ± 0.013
i -- ± --
z -- ± --
Y -- ± --
J 16.122 ± 0.013
H -- ± --
K 15.016 ± 0.016
W1 14.904 ± 0.029
W2 15.215 ± 0.051
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.