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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179837610 (SMSS J172506.42-202159.4)

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Data releaseDR4
RA (deg)261.2768
Dec (deg)-20.3665
Galactic lon. (deg)4.7549
Galactic lat. (deg)8.5237
E(B-V) (SFD98) (mag)0.664
E(B-V) (GNILC) (mag)0.560 ± 0.028
Nearest DR4 source 179837608 (6.3 arcs away)
2nd-nearest DR4 source 179837611 (6.8 arcs away)
3rd-nearest DR4 source 179837607 (8.8 arcs away)
Times observed16
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 19.611 ± 0.108 18.733 ± 0.109 18.166 ± 0.097 17.832 ± 0.096
Petrosian mag. — — 19.428 ± 0.193 18.362 ± 0.343 18.108 ± 0.149 18.419 ± 0.099

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 19.783 ± 0.089 0,0 100 2
g 20190506165109 19.774 ± 0.076 0,0 100 2
g 20190507143127 19.840 ± 0.093 0,0 100 2
r 20140729111131 19.028 ± 0.252 512,0 5 2
r 20190505165926 19.032 ± 0.085 0,0 100 2
r 20190506165309 18.957 ± 0.066 1,0 100 2
r 20190507143327 18.956 ± 0.074 0,0 100 2
r 20190822094324 18.902 ± 0.071 1,0 100 2
i 20150901084153 18.316 ± 0.072 0,0 100 2
i 20150901084554 18.336 ± 0.073 0,0 100 2
i 20190505170526 18.361 ± 0.078 0,0 100 2
i 20190509140533 18.396 ± 0.085 0,0 100 2
i 20190720124743 18.521 ± 0.102 1,0 100 2
z 20140722114259 18.353 ± 0.216 0,0 20 2
z 20150901084353 18.160 ± 0.102 0,0 100 2
z 20150901084754 18.108 ± 0.102 0,0 100 2
z 20190505170726 18.121 ± 0.111 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.05 4.58
GAIA source ID 4121239893272173696 4121239893324349440
Bp mag. 19.495 20.458
G mag. 18.677 19.670
Rp mag. 17.888 18.847
Bp/Rp excess 1.213 1.249
Parallax (mas) 0.264 ± 0.189 -0.573 ± 0.427
PM RA (mas/yr) -4.359 ± 0.265 -3.440 ± 0.597
PM Dec (mas/yr) -3.683 ± 0.167 -3.578 ± 0.370
A.E.N. (mas) 0.217 ± 0.265 1.513 ± 2.794

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.846 ± 0.014
r 18.824 ± 0.004
i 18.371 ± 0.011
z 18.115 ± 0.011
Y -- ± --
J 16.665 ± 0.017
H -- ± --
K 16.114 ± 0.039
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.