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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821053 (SMSS J172715.65-205000.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.8152
Dec (deg)-20.8335
Galactic lon. (deg)4.6379
Galactic lat. (deg)7.8464
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.861 ± 0.037
Nearest DR4 source 179821054 (5.3 arcs away)
2nd-nearest DR4 source 179821052 (14.4 arcs away)
Times observed5
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.450 ± 0.094 18.081 ± 0.048
Petrosian mag. 18.702 ± 0.140 18.359 ± 0.148

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 18.350 ± 0.075 3,0 100 2
i 20150901084554 18.429 ± 0.072 1027,0 100 2
i 20190505170526 18.434 ± 0.075 3,0 100 2
z 20150901084353 17.885 ± 0.084 3,0 100 2
z 20150901084754 17.990 ± 0.089 1,0 100 2
z 20190505170726 18.097 ± 0.104 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.61 0.64
GAIA source ID 4121011297960436480 4121011297960436352
Bp mag. 20.358 --
G mag. 19.654 20.185
Rp mag. 18.389 --
Bp/Rp excess 1.729 --
Parallax (mas) -0.375 ± 0.461 -- ± --
PM RA (mas/yr) -3.157 ± 0.588 -- ± --
PM Dec (mas/yr) -2.985 ± 0.407 -- ± --
A.E.N. (mas) 1.686 ± 3.878 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.230 ± 0.013
r 19.066 ± 0.005
i 18.577 ± 0.012
z 18.306 ± 0.012
Y -- ± --
J 16.981 ± 0.027
H -- ± --
K 16.378 ± 0.054
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.