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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179855465 (SMSS J172659.68-202915.1)

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Data releaseDR4
RA (deg)261.7487
Dec (deg)-20.4875
Galactic lon. (deg)4.8966
Galactic lat. (deg)8.0871
E(B-V) (SFD98) (mag)0.739
E(B-V) (GNILC) (mag)0.640 ± 0.033
Nearest DR4 source 179855411 (8.6 arcs away)
2nd-nearest DR4 source 179855457 (11.3 arcs away)
3rd-nearest DR4 source 179855410 (14.2 arcs away)
Times observed24
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.723 ± 0.032 15.825 ± 0.015 12.899 ± 0.030 11.386 ± 0.019
Petrosian mag. — — 17.786 ± 0.035 15.865 ± 0.025 12.908 ± 0.035 11.380 ± 0.029

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 18.036 ± 0.090 0,0 5 2
g 20140722114132 18.177 ± 0.093 0,0 5 2
g 20190505165725 17.728 ± 0.03 3,0 100 2
g 20190506165109 17.726 ± 0.026 19,0 100 2
g 20190507143127 17.730 ± 0.039 3,0 100 2
g 20210407183532 17.675 ± 0.087 0,0 5 2
r 20140719114939 16.142 ± 0.036 0,0 5 2
r 20140722114203 16.161 ± 0.034 0,0 5 2
r 20190505165926 15.815 ± 0.034 3,0 100 2
r 20190506165309 15.811 ± 0.025 19,0 100 2
r 20190507143327 15.826 ± 0.039 3,0 100 2
r 20200524153415 15.888 ± 0.036 0,0 5 2
r 20210407183558 15.844 ± 0.034 0,1 5 2
i 20140719115004 13.016 ± 0.027 2,0 10 2
i 20140722114229 13.033 ± 0.026 2,0 10 2
i 20150901084153 12.886 ± 0.029 3,0 100 2
i 20150901084554 15.931 ± 0.032 27,22 100 2
i 20190505170526 12.815 ± 0.034 3,0 100 2
i 20190508164002 12.850 ± 0.035 0,0 100 2
i 20190509140533 12.845 ± 0.046 3,0 100 2
i 20200513190610 12.953 ± 0.027 3,0 100 2
i 20200524153441 12.854 ± 0.029 0,0 10 2
i 20210407183626 12.779 ± 0.026 2,0 10 2
z 20140719115035 11.386 ± 0.029 0,0 20 2
z 20140722114259 11.396 ± 0.026 2,0 20 2
z 20150901084353 11.432 ± 0.030 6,16 100 2
z 20150901084754 12.881 ± 0.031 27,41 100 2
z 20190505170726 11.411 ± 0.035 6,12 100 2
z 20190508164202 11.330 ± 0.030 6,10 100 2
z 20190509140733 11.401 ± 0.049 2,38 100 2
z 20200513190811 11.355 ± 0.030 2,0 100 2
z 20200524153511 11.279 ± 0.031 0,0 20 3
z 20210407183658 11.236 ± 0.029 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 3.14
GAIA source ID 4121226351229530496 4121226355586071168
Bp mag. 17.106 --
G mag. 13.613 20.660
Rp mag. 12.080 --
Bp/Rp excess 1.756 --
Parallax (mas) 0.042 ± 0.060 -- ± --
PM RA (mas/yr) -3.527 ± 0.069 -- ± --
PM Dec (mas/yr) -7.470 ± 0.049 -- ± --
A.E.N. (mas) 0.410 ± 107.389 4.237 ± 2.575

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.251 ± 0.006
r 15.637 ± 0.004
i 13.008 ± 0.002
z -- ± --
Y -- ± --
J 8.967 ± 0.017
H 7.848 ± 0.025
K 7.341 ± 0.009
W1 7.262 ± 0.02
W2 7.11 ± 0.008
W3 5.981 ± 0.016
W4 4.877 ± 0.029
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.