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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185156041 (SMSS J172757.94-201353.1)

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Data releaseDR4
RA (deg)261.991
Dec (deg)-20.231
Galactic lon. (deg)5.239
Galactic lat. (deg)8.035
E(B-V) (SFD98) (mag)0.756
E(B-V) (GNILC) (mag)0.624 ± 0.031
Nearest DR4 source 185156034 (5.9 arcs away)
2nd-nearest DR4 source 185156043 (9.4 arcs away)
3rd-nearest DR4 source 1219092914 (9.5 arcs away)
Times observed43
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 16.769 ± 0.010 15.710 ± 0.009 14.889 ± 0.009 14.417 ± 0.010
Petrosian mag. — — 16.776 ± 0.025 15.729 ± 0.017 14.921 ± 0.008 14.436 ± 0.024

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 16.804 ± 0.043 0,0 5 2
g 20140722114132 16.753 ± 0.037 0,0 5 2
g 20140729111106 16.783 ± 0.038 0,0 5 2
g 20160420172300 16.847 ± 0.049 0,0 5 2
g 20180605124544 16.858 ± 0.045 0,0 5 2
g 20190505165725 16.756 ± 0.032 3,0 100 2
g 20190506165109 16.766 ± 0.025 3,0 100 2
g 20190507143127 16.749 ± 0.043 3,0 100 2
g 20190822094124 16.762 ± 0.037 3,0 100 2
g 20200524153348 16.866 ± 0.059 0,0 5 3
g 20210407183532 16.833 ± 0.045 0,0 5 2
r 20140719114939 15.747 ± 0.035 0,0 5 2
r 20140722114203 15.689 ± 0.030 0,0 5 2
r 20140729111131 15.733 ± 0.030 0,0 5 2
r 20160420172325 15.719 ± 0.026 0,0 5 2
r 20190505165926 15.708 ± 0.038 3,0 100 2
r 20190506165309 15.706 ± 0.030 3,0 100 2
r 20190507143327 15.692 ± 0.045 3,0 100 2
r 20190822094324 15.701 ± 0.041 3,0 100 2
r 20200524153415 15.719 ± 0.039 0,0 5 2
r 20210407183558 15.722 ± 0.040 0,0 5 2
i 20140719115004 14.886 ± 0.032 2,0 10 2
i 20140722114229 14.880 ± 0.032 0,0 10 2
i 20140729111202 14.854 ± 0.030 0,0 10 2
i 20150901084153 14.890 ± 0.029 3,0 100 2
i 20150901084554 14.899 ± 0.032 3,0 100 2
i 20160420172350 14.892 ± 0.022 0,0 10 2
i 20180605124636 14.905 ± 0.027 1,0 10 2
i 20190505170526 14.886 ± 0.037 3,0 100 2
i 20190508164002 14.892 ± 0.034 3,0 100 2
i 20190720124743 14.867 ± 0.071 3,0 100 2
i 20200513190610 14.885 ± 0.031 19,0 100 2
i 20200524153441 14.923 ± 0.030 3,0 10 2
i 20210407183626 14.897 ± 0.030 0,0 10 2
z 20140719115035 14.419 ± 0.032 3,0 20 2
z 20140722114259 14.422 ± 0.029 0,0 20 2
z 20140729111235 14.425 ± 0.031 0,0 20 2
z 20150901084353 14.415 ± 0.027 3,0 100 2
z 20150901084754 14.420 ± 0.031 3,0 100 2
z 20160420172420 14.341 ± 0.030 2,3 20 2
z 20180605124707 14.442 ± 0.022 1,0 20 2
z 20190505170726 14.410 ± 0.035 3,0 100 2
z 20190508164202 14.421 ± 0.027 3,0 100 2
z 20190720124943 14.400 ± 0.064 3,0 100 2
z 20200513190811 14.424 ± 0.035 19,0 100 2
z 20200524153511 14.418 ± 0.030 3,0 20 3
z 20210407183658 14.435 ± 0.032 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.02 1.07
GAIA source ID 4121255213429646464 4121255217769183360
Bp mag. 16.590 --
G mag. 15.561 19.800
Rp mag. 14.534 --
Bp/Rp excess 1.365 --
Parallax (mas) 0.258 ± 0.042 -- ± --
PM RA (mas/yr) -0.476 ± 0.047 -- ± --
PM Dec (mas/yr) -5.029 ± 0.033 -- ± --
A.E.N. (mas) 0.0 ± 0.0 0.844 ± 0.320

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 15.763 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 12.938 ± 0.019
H 12.212 ± 0.022
K 12.001 ± 0.021
W1 11.773 ± 0.014
W2 11.966 ± 0.011
W3 11.988 ± 0.346
W4 8.95 ± --
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.