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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179857654 (SMSS J172642.68-202240.1)

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Data releaseDR4
RA (deg)261.6778
Dec (deg)-20.3778
Galactic lon. (deg)4.9529
Galactic lat. (deg)8.2026
E(B-V) (SFD98) (mag)0.760
E(B-V) (GNILC) (mag)0.577 ± 0.031
Nearest DR4 source 179857655 (4.7 arcs away)
2nd-nearest DR4 source 179857652 (5.3 arcs away)
3rd-nearest DR4 source 1212935571 (7.5 arcs away)
Times observed22
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.866 ± 0.059 18.122 ± 0.116 17.357 ± 0.032 16.977 ± 0.037
Petrosian mag. — — 18.434 ± 0.051 18.053 ± 0.306 17.135 ± 0.044 16.663 ± 0.092

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 18.937 ± 0.045 3,0 100 2
g 20190506165109 18.933 ± 0.039 3,0 100 2
g 20190507143127 18.947 ± 0.053 3,0 100 2
r 20140722114203 18.108 ± 0.114 0,0 5 2
r 20140729111131 18.360 ± 0.137 0,0 5 2
i 20140719115004 17.374 ± 0.083 0,0 10 2
i 20140722114229 17.401 ± 0.077 0,0 10 2
i 20140729111202 17.436 ± 0.078 0,0 10 2
i 20150901084153 17.410 ± 0.042 3,0 100 2
i 20150901084554 17.376 ± 0.042 3,0 100 2
i 20190505170526 17.360 ± 0.045 3,0 100 2
i 20190509140533 17.399 ± 0.055 3,0 100 2
i 20210407183626 17.566 ± 0.117 0,0 10 2
z 20140719115035 17.151 ± 0.095 0,0 20 2
z 20140722114259 17.127 ± 0.075 0,0 20 2
z 20140729111235 17.2 ± 0.082 0,0 20 2
z 20150901084353 17.053 ± 0.047 3,0 100 2
z 20150901084754 16.976 ± 0.047 3,0 100 2
z 20190505170726 16.997 ± 0.051 3,0 100 2
z 20190508164202 16.988 ± 0.050 3,0 100 2
z 20190509140733 17.028 ± 0.063 3,0 100 2
z 20210407183658 16.913 ± 0.095 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 3.06
GAIA source ID 4121230955436537856 4121230959742294528
Bp mag. 18.894 --
G mag. 18.052 20.648
Rp mag. 17.077 --
Bp/Rp excess 1.368 --
Parallax (mas) 0.155 ± 0.151 -0.040 ± 1.859
PM RA (mas/yr) -0.700 ± 0.172 0.778 ± 2.644
PM Dec (mas/yr) -3.841 ± 0.121 -0.239 ± 1.674
A.E.N. (mas) 0.293 ± 1.139 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.222 ± 0.010
r 18.146 ± 0.003
i 17.561 ± 0.006
z 17.244 ± 0.006
Y -- ± --
J 15.680 ± 0.008
H -- ± --
K 14.904 ± 0.016
W1 14.644 ± 0.015
W2 14.852 ± 0.034
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.