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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179827173 (SMSS J172511.71-203729.4)

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Data releaseDR4
RA (deg)261.2988
Dec (deg)-20.6248
Galactic lon. (deg)4.5478
Galactic lat. (deg)8.3649
E(B-V) (SFD98) (mag)0.622
E(B-V) (GNILC) (mag)0.483 ± 0.020
Nearest DR4 source 179827172 (7.5 arcs away)
2nd-nearest DR4 source 2268059609 (7.9 arcs away)
3rd-nearest DR4 source 179827161 (8.0 arcs away)
Times observed37
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.766 ± 0.034 17.175 ± 0.038 16.684 ± 0.023 16.463 ± 0.023
Petrosian mag. — — 17.494 ± 0.090 16.978 ± 0.032 16.521 ± 0.023 16.283 ± 0.032

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 20140719114908 17.886 ± 0.083 0,0 5 2
g 20140722114132 17.865 ± 0.077 0,0 5 2
g 20160420170043 17.691 ± 0.096 0,0 5 2
g 20180605124544 17.703 ± 0.085 0,0 5 2
g 20190505165725 17.783 ± 0.027 3,0 100 2
g 20190506165109 17.806 ± 0.023 3,0 100 2
g 20190822094124 18.159 ± 0.037 3,0 100 2
g 20210407183532 17.839 ± 0.097 0,0 5 2
r 20140719114939 17.274 ± 0.069 0,0 5 2
r 20140722114203 17.150 ± 0.056 0,0 5 2
r 20160420170109 17.154 ± 0.071 0,0 5 2
r 20190505165926 17.145 ± 0.034 3,0 100 2
r 20190506165309 17.152 ± 0.027 3,0 100 2
r 20190822094324 17.148 ± 0.033 3,0 100 2
r 20210407183558 17.163 ± 0.074 0,0 5 2
i 20140719115004 16.634 ± 0.047 0,0 10 2
i 20140722114229 16.622 ± 0.047 0,0 10 2
i 20150901084153 16.671 ± 0.031 3,0 100 2
i 20160420170134 16.660 ± 0.054 0,0 10 2
i 20180605124636 16.694 ± 0.064 0,0 10 2
i 20190505170526 16.637 ± 0.031 3,0 100 2
i 20190508164002 16.671 ± 0.037 3,0 100 2
i 20190509140533 16.719 ± 0.039 1,0 100 2
i 20190720124743 16.701 ± 0.054 3,0 100 2
i 20200513190610 16.719 ± 0.031 1,0 100 2
i 20210407183626 16.621 ± 0.058 0,0 10 2
z 20140719115035 16.406 ± 0.054 0,0 20 2
z 20140722114259 16.354 ± 0.045 0,0 20 2
z 20150901084353 16.437 ± 0.034 0,0 100 2
z 20160420170204 16.377 ± 0.054 0,0 20 2
z 20180605124707 16.428 ± 0.063 0,0 20 2
z 20190505170726 16.399 ± 0.036 0,0 100 2
z 20190508164202 16.440 ± 0.037 0,0 100 2
z 20190509140733 16.472 ± 0.047 0,0 100 2
z 20190720124943 16.463 ± 0.054 3,0 100 2
z 20200513190811 16.511 ± 0.044 0,0 100 2
z 20210407183658 16.383 ± 0.062 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.79 1.19
GAIA source ID 4121139013130102912 4121139013088289792
Bp mag. 17.918 --
G mag. 17.516 18.120
Rp mag. 16.528 --
Bp/Rp excess 1.546 --
Parallax (mas) 0.465 ± 0.097 0.285 ± 0.133
PM RA (mas/yr) 1.968 ± 0.112 0.663 ± 0.154
PM Dec (mas/yr) -1.905 ± 0.077 -4.220 ± 0.105
A.E.N. (mas) 0.225 ± 1.220 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.127 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 15.515 ± 0.007
H -- ± --
K 14.963 ± 0.014
W1 14.561 ± 0.018
W2 14.909 ± 0.032
W3 11.953 ± --
W4 8.866 ± --
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.