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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179837576 (SMSS J172501.53-202214.2)

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Data releaseDR4
RA (deg)261.2563
Dec (deg)-20.3706
Galactic lon. (deg)4.7408
Galactic lat. (deg)8.5375
E(B-V) (SFD98) (mag)0.688
E(B-V) (GNILC) (mag)0.557 ± 0.026
Nearest DR4 source 179837519 (5.9 arcs away)
2nd-nearest DR4 source 179837577 (8.4 arcs away)
3rd-nearest DR4 source 179837523 (10.4 arcs away)
Times observed9
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.707 ± 0.122 19.036 ± 0.050 18.328 ± 0.027 17.957 ± 0.036
Petrosian mag. 19.792 ± 0.156 18.991 ± 0.105 18.421 ± 0.071 18.001 ± 0.095

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)
g 20190506165109 19.731 ± 0.074 1,0 100 2
r 20190505165926 19.038 ± 0.085 0,0 100 2
r 20190506165309 18.808 ± 0.059 3,0 100 2
i 20150901084153 18.204 ± 0.066 3,0 100 2
i 20150901084554 18.270 ± 0.07 3,0 100 2
i 20190505170526 18.288 ± 0.074 0,0 100 2
i 20190509140533 18.361 ± 0.082 3,0 100 2
z 20140729111235 18.044 ± 0.165 512,0 20 2
z 20150901084353 17.999 ± 0.089 1024,0 100 2
z 20150901084754 17.978 ± 0.092 0,0 100 2
z 20190505170726 18.015 ± 0.102 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.63 0.77
GAIA source ID 4121286794346130560 4121286794372574720
Bp mag. -- 19.672
G mag. 20.025 19.306
Rp mag. -- 17.887
Bp/Rp excess -- 2.072
Parallax (mas) 0.478 ± 0.561 0.397 ± 0.312
PM RA (mas/yr) -1.857 ± 0.816 -3.316 ± 0.452
PM Dec (mas/yr) -3.326 ± 0.495 -4.653 ± 0.267
A.E.N. (mas) 1.598 ± 2.055 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.062 ± 0.014
r 18.905 ± 0.004
i 18.339 ± 0.009
z 18.015 ± 0.009
Y -- ± --
J 16.593 ± 0.016
H -- ± --
K 15.913 ± 0.032
W1 15.938 ± 0.036
W2 16.286 ± 0.132
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.