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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879240 (SMSS J172924.69-205058.2)

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Data releaseDR4
RA (deg)262.3529
Dec (deg)-20.8495
Galactic lon. (deg)4.8997
Galactic lat. (deg)7.4158
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.904 ± 0.042
Nearest DR4 source 179879096 (8.4 arcs away)
2nd-nearest DR4 source 179879193 (8.5 arcs away)
3rd-nearest DR4 source 179879145 (9.7 arcs away)
Times observed37
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.174 ± 0.020 17.027 ± 0.026 15.992 ± 0.014 15.421 ± 0.014
Petrosian mag. — — 17.833 ± 0.101 16.573 ± 0.078 15.610 ± 0.093 15.063 ± 0.080

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 20140722114132 18.271 ± 0.106 0,0 5 2
g 20140729111106 18.177 ± 0.093 0,0 5 2
g 20160420172300 18.199 ± 0.148 0,0 5 2
g 20190505165725 18.215 ± 0.027 3,0 100 2
g 20190506165109 18.202 ± 0.027 1,0 100 2
g 20190507143127 18.213 ± 0.038 3,0 100 2
g 20190822094124 18.214 ± 0.030 3,0 100 2
r 20140719114939 17.141 ± 0.066 0,0 5 2
r 20140722114203 16.993 ± 0.049 0,0 5 2
r 20140729111131 16.970 ± 0.046 0,0 5 2
r 20160420172325 17.036 ± 0.063 0,0 5 2
r 20180605125736 17.117 ± 0.072 0,0 5 2
r 20190505165926 17.136 ± 0.032 3,0 100 2
r 20190506165309 17.130 ± 0.030 3,0 100 2
r 20190507143327 17.091 ± 0.043 3,0 100 2
r 20190822094324 17.069 ± 0.034 3,0 100 2
i 20140719115004 16.072 ± 0.039 0,0 10 2
i 20140722114229 15.995 ± 0.038 0,0 10 2
i 20140729111202 16.049 ± 0.035 0,0 10 2
i 20150901084153 16.006 ± 0.030 3,0 100 2
i 20150901084554 16.005 ± 0.030 3,0 100 2
i 20160420172350 16.032 ± 0.037 0,0 10 2
i 20180605125802 16.010 ± 0.046 1,0 10 2
i 20190419150817 16.057 ± 0.034 8195,0 100 2
i 20190505170526 16.004 ± 0.031 3,0 100 2
i 20190508164002 15.996 ± 0.032 3,0 100 2
i 20190720124743 15.989 ± 0.064 3,0 100 2
z 20140719115035 15.477 ± 0.034 1,0 20 2
z 20140722114259 15.447 ± 0.035 0,0 20 2
z 20140729111235 15.463 ± 0.034 0,0 20 2
z 20150901084353 15.427 ± 0.030 3,0 100 2
z 20150901084754 15.408 ± 0.028 3,0 100 2
z 20160420172420 15.222 ± 0.030 0,3 20 2
z 20180605125833 15.468 ± 0.041 0,0 20 2
z 20190419151018 15.459 ± 0.034 8195,0 100 2
z 20190505170726 15.421 ± 0.029 3,0 100 2
z 20190508164202 15.415 ± 0.031 3,0 100 2
z 20190720124943 15.417 ± 0.060 3,0 100 2
z 20200513183957 15.434 ± 0.033 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.05 3.74
GAIA source ID 4120965045422160896 4120965049724878976
Bp mag. 17.929 20.850
G mag. 16.719 20.233
Rp mag. 15.624 17.341
Bp/Rp excess 1.391 6.450
Parallax (mas) -0.015 ± 0.108 2.838 ± 1.735
PM RA (mas/yr) -4.266 ± 0.114 -8.074 ± 2.004
PM Dec (mas/yr) -1.862 ± 0.069 -1.173 ± 0.862
A.E.N. (mas) 0.256 ± 2.520 2.263 ± 1.548

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.659 ± 0.005
r 17.054 ± 0.002
i 16.262 ± 0.003
z 15.736 ± 0.003
Y -- ± --
J 13.845 ± 0.033
H 12.979 ± 0.032
K 12.695 ± 0.027
W1 12.476 ± 0.017
W2 12.678 ± 0.014
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.