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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179837570 (SMSS J172504.90-202227.9)

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Data releaseDR4
RA (deg)261.2704
Dec (deg)-20.3744
Galactic lon. (deg)4.7449
Galactic lat. (deg)8.5243
E(B-V) (SFD98) (mag)0.664
E(B-V) (GNILC) (mag)0.560 ± 0.028
Nearest DR4 source 179837586 (6.6 arcs away)
2nd-nearest DR4 source 179837598 (7.5 arcs away)
3rd-nearest DR4 source 179837569 (8.4 arcs away)
Times observed21
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 19.551 ± 0.065 18.590 ± 0.091 18.052 ± 0.07 17.708 ± 0.076
Petrosian mag. 19.073 ± 0.097 17.953 ± 0.173 17.616 ± 0.165 17.664 ± 0.112

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 20190505165725 19.552 ± 0.074 0,0 100 2
g 20190506165109 19.534 ± 0.063 1,0 100 2
g 20190507143127 19.700 ± 0.084 0,0 100 2
g 20190822094124 19.553 ± 0.072 0,0 100 2
r 20190505165926 18.795 ± 0.071 0,0 100 2
r 20190506165309 18.627 ± 0.052 1,0 100 2
r 20190507143327 18.701 ± 0.062 0,0 100 2
r 20190822094324 18.653 ± 0.060 0,0 100 2
i 20140729111202 18.235 ± 0.155 512,0 10 2
i 20150901084153 18.086 ± 0.061 0,0 100 2
i 20150901084554 18.025 ± 0.059 1,0 100 2
i 20180804082838 18.157 ± 0.082 0,0 100 2
i 20190505170526 18.026 ± 0.062 0,0 100 2
i 20190509140533 18.091 ± 0.068 0,0 100 2
i 20190720124743 18.141 ± 0.084 0,0 100 2
i 20200513170714 18.243 ± 0.091 0,0 100 2
z 20140722114259 17.962 ± 0.153 0,0 20 2
z 20150901084353 17.764 ± 0.074 0,0 100 2
z 20150901084754 17.841 ± 0.083 0,0 100 2
z 20190505170726 17.659 ± 0.077 0,0 100 2
z 20190509140733 17.739 ± 0.088 0,0 100 2
z 20190720124943 17.762 ± 0.090 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.09 1.57
GAIA source ID 4121239893272145280 4121239893272149120
Bp mag. 19.796 20.296
G mag. 19.052 19.459
Rp mag. 18.159 18.589
Bp/Rp excess 1.324 1.273
Parallax (mas) -0.037 ± 0.239 0.709 ± 0.346
PM RA (mas/yr) -5.247 ± 0.323 -2.453 ± 0.461
PM Dec (mas/yr) -0.554 ± 0.203 -6.293 ± 0.287
A.E.N. (mas) 0.0 ± 0.0 0.427 ± 0.334

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.099 ± 0.012
r 19.110 ± 0.004
i 18.565 ± 0.010
z 18.267 ± 0.011
Y -- ± --
J 16.857 ± 0.020
H -- ± --
K 16.281 ± 0.045
W1 15.428 ± 0.022
W2 16.111 ± 0.096
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.