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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879251 (SMSS J172926.09-205031.0)

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Data releaseDR4
RA (deg)262.3588
Dec (deg)-20.8420
Galactic lon. (deg)4.9091
Galactic lat. (deg)7.4153
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.904 ± 0.042
Nearest DR4 source 179879254 (9.5 arcs away)
2nd-nearest DR4 source 179879245 (10.7 arcs away)
3rd-nearest DR4 source 179879252 (14.3 arcs away)
Times observed32
Total bad pixels2
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 18.677 ± 0.033 17.445 ± 0.023 16.463 ± 0.018 15.891 ± 0.015
Petrosian mag. — — 18.474 ± 0.037 17.279 ± 0.018 16.341 ± 0.025 15.727 ± 0.086

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 18.683 ± 0.034 0,0 100 2
g 20190506165109 18.685 ± 0.033 0,0 100 2
g 20190507143127 18.722 ± 0.044 0,0 100 2
g 20190822094124 18.680 ± 0.036 0,0 100 2
r 20140719114939 17.434 ± 0.083 0,0 5 2
r 20140722114203 17.499 ± 0.072 0,0 5 2
r 20140729111131 17.376 ± 0.061 0,0 5 2
r 20160420172325 17.378 ± 0.084 0,0 5 2
r 20190505165926 17.468 ± 0.034 0,0 100 2
r 20190506165309 17.447 ± 0.032 0,0 100 2
r 20190507143327 17.461 ± 0.044 0,0 100 2
r 20190822094324 17.460 ± 0.036 1,0 100 2
i 20140719115004 16.450 ± 0.047 0,0 10 2
i 20140722114229 16.446 ± 0.045 0,0 10 2
i 20140729111202 16.498 ± 0.043 0,0 10 2
i 20150901084153 16.452 ± 0.032 0,0 100 2
i 20150901084554 16.459 ± 0.032 0,0 100 2
i 20160420172350 16.516 ± 0.052 0,0 10 2
i 20180605125802 16.391 ± 0.054 0,1 10 2
i 20190419150817 16.535 ± 0.037 8208,0 100 2
i 20190505170526 16.450 ± 0.032 0,0 100 2
i 20190508164002 16.490 ± 0.034 0,0 100 2
i 20190509140133 16.525 ± 0.040 8208,0 100 2
i 20190720124743 16.462 ± 0.065 0,0 100 2
i 20210411183047 16.498 ± 0.063 16,0 10 2
z 20140719115035 15.913 ± 0.041 0,0 20 2
z 20140722114259 15.863 ± 0.040 0,0 20 2
z 20140729111235 15.871 ± 0.038 0,0 20 2
z 20150901084353 15.887 ± 0.031 0,0 100 2
z 20150901084754 15.899 ± 0.030 0,0 100 2
z 20160420172420 15.642 ± 0.036 0,1 20 2
z 20180605125833 15.883 ± 0.048 0,0 20 2
z 20190419151018 15.926 ± 0.037 8192,0 100 2
z 20190505170726 15.891 ± 0.031 0,0 100 2
z 20190508164202 15.894 ± 0.034 0,0 100 2
z 20190509140333 15.935 ± 0.043 8208,0 100 2
z 20190720124943 15.874 ± 0.061 0,0 100 2
z 20200513183957 15.904 ± 0.036 8192,0 100 2
z 20210411183118 15.986 ± 0.05 16,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.38 2.48
GAIA source ID 4120965079783165952 4120965084084620800
Bp mag. 18.477 --
G mag. 17.226 20.739
Rp mag. 16.107 --
Bp/Rp excess 1.409 --
Parallax (mas) -0.051 ± 0.123 -- ± --
PM RA (mas/yr) -2.881 ± 0.136 -- ± --
PM Dec (mas/yr) -5.924 ± 0.082 -- ± --
A.E.N. (mas) 0.0 ± 0.0 1.931 ± 0.508

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.120 ± 0.007
r 17.530 ± 0.002
i 16.712 ± 0.004
z 16.186 ± 0.003
Y -- ± --
J 14.278 ± 0.032
H 13.488 ± 0.029
K 13.092 ± 0.026
W1 12.987 ± 0.014
W2 13.323 ± 0.013
W3 12.17 ± --
W4 8.64 ± --
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.