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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842539 (SMSS J172601.42-202508.5)

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Data releaseDR4
RA (deg)261.5060
Dec (deg)-20.4190
Galactic lon. (deg)4.8292
Galactic lat. (deg)8.3151
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.022
Nearest DR4 source 179842540 (8.7 arcs away)
2nd-nearest DR4 source 179842538 (9.3 arcs away)
3rd-nearest DR4 source 1212919679 (9.6 arcs away)
Times observed25
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 16.402 ± 0.014 15.501 ± 0.013 14.856 ± 0.011 14.479 ± 0.013
Petrosian mag. — — 15.944 ± 0.261 15.219 ± 0.214 14.297 ± 0.203 14.062 ± 0.214

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 16.430 ± 0.037 1,0 5 2
g 20140729111106 16.433 ± 0.031 0,0 5 2
g 20160420170043 16.382 ± 0.038 0,0 5 2
g 20190505165725 16.366 ± 0.028 19,0 100 2
g 20190507143127 16.373 ± 0.033 3,0 100 2
g 20200524153348 16.538 ± 0.049 1,0 5 3
g 20210407183532 16.426 ± 0.037 0,1 5 2
r 20140719114939 15.492 ± 0.032 1,0 5 2
r 20140729111131 15.511 ± 0.026 0,0 5 2
r 20160420170109 15.516 ± 0.028 0,0 5 2
r 20190505165926 15.495 ± 0.034 19,0 100 2
r 20190507143327 15.490 ± 0.038 3,0 100 2
r 20200524153415 15.474 ± 0.032 3,0 5 2
r 20210407183558 15.522 ± 0.031 0,0 5 2
i 20140719115004 14.854 ± 0.031 3,0 10 2
i 20140729111202 14.858 ± 0.027 0,0 10 2
i 20150901084554 14.859 ± 0.031 3,0 100 2
i 20160420170134 14.870 ± 0.025 0,3 10 2
i 20190505170526 14.854 ± 0.033 19,0 100 2
i 20190508164002 14.850 ± 0.031 3,0 100 2
i 20190509140533 14.867 ± 0.035 19,0 100 2
i 20190720124743 15.205 ± 0.061 19,0 100 2
i 20200513190610 14.854 ± 0.021 3,0 100 2
i 20200524153441 14.851 ± 0.032 3,0 10 2
i 20210407183626 14.885 ± 0.029 16,0 10 2
z 20140719115035 14.486 ± 0.030 3,0 20 2
z 20140729111235 14.488 ± 0.030 0,0 20 2
z 20150901084754 14.484 ± 0.032 3,0 100 2
z 20160420170204 14.492 ± 0.024 0,0 20 2
z 20190505170726 14.479 ± 0.032 3,0 100 2
z 20190508164202 14.471 ± 0.027 3,0 100 2
z 20190509140733 14.499 ± 0.040 19,0 100 2
z 20210407183658 14.510 ± 0.032 1,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 3.88
GAIA source ID 4121236526069591680 4121236526023636096
Bp mag. 16.267 --
G mag. 15.412 21.022
Rp mag. 14.505 20.009
Bp/Rp excess 1.300 --
Parallax (mas) 0.106 ± 0.032 -- ± --
PM RA (mas/yr) -0.107 ± 0.040 -- ± --
PM Dec (mas/yr) -3.115 ± 0.027 -- ± --
A.E.N. (mas) 0.067 ± 0.863 3.45 ± 0.493

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 16.705 ± 0.003
r 15.590 ± 0.002
i 15.043 ± 0.002
z 14.725 ± 0.002
Y -- ± --
J 13.158 ± 0.019
H 12.463 ± 0.02
K 12.251 ± 0.021
W1 12.061 ± 0.012
W2 12.211 ± 0.01
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.