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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821040 (SMSS J172718.72-205039.3)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8281
Dec (deg)-20.8443
Galactic lon. (deg)4.6353
Galactic lat. (deg)7.8305
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.971 ± 0.050
Nearest DR4 source 179821044 (4.9 arcs away)
2nd-nearest DR4 source 179821039 (5.1 arcs away)
3rd-nearest DR4 source 179821043 (11.8 arcs away)
Times observed2
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.781 ± 0.207 —
Petrosian mag. — — — — 18.491 ± 0.082 —

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 19.058 ± 0.134 0,0 100 2
i 20150901084554 18.980 ± 0.113 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.5 0.69
GAIA source ID 4121011229246307328 4121011229246307200
Bp mag. 20.946 20.835
G mag. 20.441 20.613
Rp mag. 18.784 18.813
Bp/Rp excess 2.393 2.800
Parallax (mas) -- ± -- -- ± --
PM RA (mas/yr) -- ± -- -- ± --
PM Dec (mas/yr) -- ± -- -- ± --
A.E.N. (mas) 2.203 ± 1.400 4.930 ± 4.821

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.870 ± 0.026
r 19.5 ± 0.007
i 18.858 ± 0.025
z 18.416 ± 0.024
Y -- ± --
J 17.423 ± 0.041
H -- ± --
K 16.634 ± 0.068
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.