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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842173 (SMSS J172600.42-202521.3)

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Data releaseDR4
RA (deg)261.5017
Dec (deg)-20.4226
Galactic lon. (deg)4.8240
Galactic lat. (deg)8.3165
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.023
Nearest DR4 source 179842537 (8.1 arcs away)
2nd-nearest DR4 source 179842172 (8.4 arcs away)
3rd-nearest DR4 source 179842306 (10.8 arcs away)
Times observed30
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — 18.979 ± 0.082 17.472 ± 0.023 16.882 ± 0.027 16.389 ± 0.024 16.156 ± 0.029
Petrosian mag. — 19.096 ± 0.130 17.229 ± 0.042 16.584 ± 0.051 16.107 ± 0.033 15.904 ± 0.041

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)
v 20190505165526 19.156 ± 0.110 0,0 100 1
g 20140719114908 17.495 ± 0.062 0,0 5 2
g 20140729111106 17.424 ± 0.052 0,0 5 2
g 20160420170043 17.453 ± 0.081 0,0 5 2
g 20190505165725 17.413 ± 0.029 3,0 100 2
g 20190507143127 17.421 ± 0.034 3,0 100 2
g 20210407183532 17.609 ± 0.077 24,6 5 2
r 20140719114939 16.814 ± 0.052 0,0 5 2
r 20140729111131 16.798 ± 0.042 0,0 5 2
r 20160420170109 16.906 ± 0.059 0,0 5 2
r 20190505165926 16.781 ± 0.035 3,0 100 2
r 20190507143327 16.807 ± 0.040 3,0 100 2
r 20200524153415 16.934 ± 0.061 0,0 5 2
r 20210407183558 16.830 ± 0.057 24,8 5 2
i 20140719115004 16.407 ± 0.045 2,0 10 2
i 20140729111202 16.317 ± 0.039 3,0 10 2
i 20150901084554 16.367 ± 0.033 3,0 100 2
i 20160420170134 16.469 ± 0.047 0,0 10 2
i 20190505170526 16.355 ± 0.035 3,0 100 2
i 20190508164002 16.359 ± 0.035 3,0 100 2
i 20190509140533 16.366 ± 0.037 3,0 100 2
i 20190720124743 16.359 ± 0.062 3,0 100 2
i 20200513190610 16.381 ± 0.027 3,0 100 2
i 20200524153441 16.426 ± 0.050 0,0 10 2
i 20210407183626 17.205 ± 0.080 24,7 10 2
z 20140719115035 16.101 ± 0.046 0,0 20 2
z 20140729111235 16.120 ± 0.042 3,0 20 2
z 20150901084754 16.100 ± 0.036 3,0 100 2
z 20160420170204 16.151 ± 0.047 0,0 20 2
z 20190505170726 16.114 ± 0.036 3,0 100 2
z 20190508164202 16.153 ± 0.033 3,0 100 2
z 20190509140733 16.153 ± 0.044 3,0 100 2
z 20190720124943 16.115 ± 0.060 19,0 100 2
z 20200513190811 16.166 ± 0.035 3,0 100 2
z 20200524153511 16.312 ± 0.063 0,0 20 3
z 20210407183658 16.7 ± 0.074 24,7 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.16 1.17
GAIA source ID 4121236526069730944 4121236526016132224
Bp mag. 17.477 --
G mag. 16.921 20.423
Rp mag. 16.114 --
Bp/Rp excess 1.320 --
Parallax (mas) 0.302 ± 0.076 -- ± --
PM RA (mas/yr) 1.114 ± 0.096 -- ± --
PM Dec (mas/yr) -3.903 ± 0.067 -- ± --
A.E.N. (mas) 0.370 ± 6.421 1.474 ± 0.435

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.637 ± 0.005
r 16.953 ± 0.002
i 16.567 ± 0.004
z 16.376 ± 0.005
Y -- ± --
J 15.235 ± 0.006
H -- ± --
K 14.572 ± 0.012
W1 14.491 ± 0.017
W2 14.683 ± 0.028
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.