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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829617 (SMSS J172556.73-204204.3)

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Data releaseDR4
RA (deg)261.4864
Dec (deg)-20.7012
Galactic lon. (deg)4.5803
Galactic lat. (deg)8.1762
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 2268062242 (2.0 arcs away)
2nd-nearest DR4 source 179829642 (6.4 arcs away)
3rd-nearest DR4 source 179829616 (8.3 arcs away)
Times observed43
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.09 ± 0.018 16.188 ± 0.016 15.406 ± 0.014 14.999 ± 0.014
Petrosian mag. — — 16.982 ± 0.023 16.111 ± 0.016 15.341 ± 0.010 14.947 ± 0.018

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 17.092 ± 0.047 0,0 5 2
g 20140722114132 17.155 ± 0.046 0,0 5 2
g 20140729111106 17.130 ± 0.040 0,0 5 2
g 20160420170043 17.201 ± 0.064 0,0 5 2
g 20180605124544 17.030 ± 0.055 0,0 5 2
g 20190505165725 17.096 ± 0.025 3,0 100 2
g 20190506165109 17.086 ± 0.025 3,0 100 2
g 20190507143127 17.096 ± 0.025 3,0 100 2
g 20190822094124 17.080 ± 0.032 3,0 100 2
g 20200524153348 17.096 ± 0.069 0,0 5 3
r 20140719114939 16.196 ± 0.037 3,0 5 2
r 20140722114203 16.199 ± 0.033 3,0 5 2
r 20140729111131 16.243 ± 0.033 0,0 5 2
r 20160420170109 16.248 ± 0.040 0,0 5 2
r 20190505165926 16.196 ± 0.032 3,0 100 2
r 20190506165309 16.191 ± 0.026 3,0 100 2
r 20190507143327 16.189 ± 0.029 3,0 100 2
r 20190822094324 16.190 ± 0.031 3,0 100 2
r 20200524153415 16.204 ± 0.040 3,0 5 2
i 20140719115004 15.419 ± 0.028 3,0 10 2
i 20140722114229 15.438 ± 0.031 3,0 10 2
i 20140729111202 15.418 ± 0.028 1,0 10 2
i 20150901084153 15.421 ± 0.028 3,0 100 2
i 20150901084554 15.434 ± 0.029 3,0 100 2
i 20160420170134 15.425 ± 0.030 3,0 10 2
i 20180605124636 15.405 ± 0.034 3,0 10 2
i 20190505170526 15.436 ± 0.028 3,0 100 2
i 20190508164002 15.434 ± 0.030 3,0 100 2
i 20190509140533 15.460 ± 0.035 3,0 100 2
i 20190720124743 15.416 ± 0.051 3,0 100 2
i 20200513190610 15.418 ± 0.021 3,0 100 2
i 20200524153441 15.413 ± 0.035 3,0 10 2
i 20210407183626 15.498 ± 0.037 19,0 10 2
z 20140719115035 15.022 ± 0.028 3,0 20 2
z 20140722114259 15.014 ± 0.030 3,0 20 2
z 20140729111235 15.040 ± 0.026 3,0 20 2
z 20150901084353 15.024 ± 0.026 3,0 100 2
z 20150901084754 15.004 ± 0.028 3,0 100 2
z 20160420170204 14.997 ± 0.027 3,4 20 2
z 20180605124707 15.005 ± 0.035 3,0 20 2
z 20190505170726 14.990 ± 0.029 3,0 100 2
z 20190508164202 14.996 ± 0.027 3,0 100 2
z 20190509140733 15.054 ± 0.040 3,0 100 2
z 20190720124943 14.999 ± 0.049 3,0 100 2
z 20200513190811 14.989 ± 0.024 3,0 100 2
z 20200524153511 14.974 ± 0.037 3,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.14 2.07
GAIA source ID 4121123173288577664 4121123173247412224
Bp mag. 16.996 --
G mag. 16.076 19.908
Rp mag. 15.113 --
Bp/Rp excess 1.333 --
Parallax (mas) 0.220 ± 0.045 -0.165 ± 0.441
PM RA (mas/yr) -4.302 ± 0.058 -4.655 ± 0.613
PM Dec (mas/yr) -2.099 ± 0.039 -4.494 ± 0.413
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV 21.750 ± 0.450
u -- ± --
g 17.405 ± 0.004
r 16.265 ± 0.002
i 15.611 ± 0.002
z 15.246 ± 0.002
Y -- ± --
J 13.736 ± 0.03
H 13.058 ± 0.034
K 12.884 ± 0.033
W1 12.492 ± 0.014
W2 12.576 ± 0.013
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.