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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179804890 (SMSS J172552.64-205407.9)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.469
Dec (deg)-20.902
Galactic lon. (deg)4.401
Galactic lat. (deg)8.080
E(B-V) (SFD98) (mag)0.869
E(B-V) (GNILC) (mag)0.875 ± 0.050
Nearest DR4 source 179804889 (5.9 arcs away)
2nd-nearest DR4 source 179804891 (6.2 arcs away)
3rd-nearest DR4 source 179804886 (7.4 arcs away)
Times observed16
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.032 ± 0.059 16.977 ± 0.013 16.409 ± 0.014
Petrosian mag. 18.200 ± 0.169 17.049 ± 0.042 16.475 ± 0.036

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)
r 20140722114203 18.232 ± 0.128 0,0 5 2
r 20140729111131 18.126 ± 0.108 0,0 5 2
i 20140722114229 17.015 ± 0.060 3,0 10 2
i 20140729111202 17.011 ± 0.056 3,0 10 2
i 20150901084153 16.970 ± 0.034 3,0 100 2
i 20150901084554 16.990 ± 0.034 3,0 100 2
i 20160420170134 16.990 ± 0.067 1,0 10 2
i 20190505170526 16.954 ± 0.034 3,0 100 2
i 20210407183626 16.950 ± 0.072 1,0 10 2
z 20140722114259 16.480 ± 0.050 3,0 20 2
z 20140729111235 16.401 ± 0.044 3,0 20 2
z 20150901084353 16.389 ± 0.032 3,0 100 2
z 20150901084754 16.382 ± 0.034 3,0 100 2
z 20160420170204 16.470 ± 0.054 1,4 20 2
z 20190505170726 16.396 ± 0.036 3,0 100 2
z 20210407183658 16.469 ± 0.066 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.11 3.88
GAIA source ID 4120931274148088064 4120931274128659200
Bp mag. 19.010 20.471
G mag. 17.708 19.529
Rp mag. 16.612 18.426
Bp/Rp excess 1.374 1.467
Parallax (mas) -0.136 ± 0.114 -0.402 ± 0.363
PM RA (mas/yr) -0.959 ± 0.142 -0.654 ± 0.469
PM Dec (mas/yr) -3.280 ± 0.096 -3.643 ± 0.312
A.E.N. (mas) 0.376 ± 2.850 1.082 ± 2.369

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.746 ± 0.008
r 18.033 ± 0.002
i 17.158 ± 0.004
z 16.631 ± 0.003
Y -- ± --
J 14.944 ± 0.043
H 14.009 ± 0.040
K 13.729 ± 0.042
W1 14.557 ± 0.047
W2 15.065 ± 0.081
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.