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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829499 (SMSS J172556.43-204310.9)

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Data releaseDR4
RA (deg)261.4852
Dec (deg)-20.7197
Galactic lon. (deg)4.5640
Galactic lat. (deg)8.1671
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 179829505 (7.7 arcs away)
2nd-nearest DR4 source 179829500 (7.7 arcs away)
3rd-nearest DR4 source 179829497 (9.5 arcs away)
Times observed36
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.094 ± 0.02 17.966 ± 0.015 17.072 ± 0.011 16.554 ± 0.011
Petrosian mag. — — 19.42 ± 0.041 18.161 ± 0.028 17.161 ± 0.020 16.628 ± 0.021

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 19.107 ± 0.048 0,0 100 2
g 20190506165109 19.096 ± 0.044 0,0 100 2
g 20190507143127 19.128 ± 0.045 0,0 100 2
g 20190822094124 19.118 ± 0.054 0,0 100 2
r 20140722114203 17.999 ± 0.103 0,0 5 2
r 20140729111131 17.718 ± 0.077 0,0 5 2
r 20160420170109 18.040 ± 0.145 0,0 5 2
r 20190505165926 17.984 ± 0.043 0,0 100 2
r 20190506165309 17.953 ± 0.035 0,0 100 2
r 20190507143327 17.967 ± 0.037 0,0 100 2
r 20190822094324 17.984 ± 0.041 0,0 100 2
i 20140719115004 17.117 ± 0.066 0,0 10 2
i 20140722114229 17.093 ± 0.062 0,0 10 2
i 20140729111202 17.072 ± 0.058 0,0 10 2
i 20150901084153 17.017 ± 0.035 0,0 100 2
i 20150901084554 17.039 ± 0.034 0,0 100 2
i 20160420170134 17.015 ± 0.067 0,0 10 2
i 20180605124636 17.107 ± 0.086 0,0 10 2
i 20190505170526 17.018 ± 0.034 0,0 100 2
i 20190508164002 17.074 ± 0.038 0,0 100 2
i 20190509140533 17.097 ± 0.042 0,0 100 2
i 20190720124743 17.066 ± 0.056 0,0 100 2
i 20200513190610 17.047 ± 0.038 0,0 100 2
i 20200524153441 17.179 ± 0.081 0,0 10 2
i 20210407183626 17.083 ± 0.079 16,0 10 2
z 20140719115035 16.565 ± 0.060 0,0 20 2
z 20140722114259 16.499 ± 0.050 0,0 20 2
z 20140729111235 16.506 ± 0.047 0,0 20 2
z 20150901084353 16.555 ± 0.034 0,0 100 2
z 20150901084754 16.537 ± 0.035 0,0 100 2
z 20160420170204 16.582 ± 0.058 0,0 20 2
z 20180605124707 16.472 ± 0.064 0,0 20 2
z 20190505170726 16.504 ± 0.037 0,0 100 2
z 20190508164202 16.517 ± 0.037 0,0 100 2
z 20190509140733 16.594 ± 0.048 0,0 100 2
z 20190720124943 16.520 ± 0.055 0,0 100 2
z 20200513190811 16.576 ± 0.045 0,0 100 2
z 20210407183658 16.611 ± 0.073 16,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.14 0.94
GAIA source ID 4121122997143009920 4121123001448624640
Bp mag. 18.914 --
G mag. 17.881 19.490
Rp mag. 16.693 --
Bp/Rp excess 1.538 --
Parallax (mas) 1.077 ± 0.275 -- ± --
PM RA (mas/yr) -3.500 ± 0.331 -- ± --
PM Dec (mas/yr) -6.039 ± 0.226 -- ± --
A.E.N. (mas) 1.908 ± 56.019 0.719 ± 0.636

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.401 ± 0.007
r 17.892 ± 0.002
i 17.110 ± 0.004
z 16.657 ± 0.004
Y -- ± --
J 15.051 ± 0.005
H 14.314 ± 0.042
K 13.997 ± 0.052
W1 13.781 ± 0.019
W2 14.007 ± 0.033
W3 12.539 ± --
W4 8.882 ± --
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.