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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185156055 (SMSS J172734.87-201301.4)

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Data releaseDR4
RA (deg)261.895
Dec (deg)-20.217
Galactic lon. (deg)5.201
Galactic lat. (deg)8.119
E(B-V) (SFD98) (mag)0.796
E(B-V) (GNILC) (mag)0.622 ± 0.025
Nearest DR4 source 185156054 (5.9 arcs away)
2nd-nearest DR4 source 185156056 (6.8 arcs away)
3rd-nearest DR4 source 185156052 (7.9 arcs away)
Times observed41
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.710 ± 0.032 16.778 ± 0.025 15.962 ± 0.041 15.601 ± 0.044
Petrosian mag. — — 17.212 ± 0.055 16.325 ± 0.055 15.740 ± 0.025 15.379 ± 0.038

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 17.693 ± 0.068 0,0 5 2
g 20140722114132 17.752 ± 0.067 0,0 5 2
g 20140729111106 17.784 ± 0.068 0,0 5 2
g 20160420170043 17.949 ± 0.125 0,0 5 2
g 20180605124544 17.724 ± 0.085 0,0 5 2
g 20190505165725 17.771 ± 0.035 1,0 100 2
g 20190506165109 17.778 ± 0.028 1,0 100 2
g 20190507143127 17.771 ± 0.040 1,0 100 2
g 20190822094124 17.750 ± 0.039 1,0 100 2
r 20140719114939 16.824 ± 0.051 0,0 5 2
r 20140722114203 16.690 ± 0.043 0,0 5 2
r 20140729111131 16.687 ± 0.042 0,0 5 2
r 20160420170109 16.834 ± 0.056 0,0 5 2
r 20190505165926 16.817 ± 0.039 1,0 100 2
r 20190506165309 16.770 ± 0.031 3,0 100 2
r 20190507143327 16.787 ± 0.040 3,0 100 2
r 20190822094324 16.773 ± 0.042 3,0 100 2
r 20200524153415 16.798 ± 0.058 0,0 5 2
r 20210407183558 16.753 ± 0.057 0,0 5 2
i 20140719115004 16.017 ± 0.038 0,0 10 2
i 20140722114229 15.978 ± 0.038 0,0 10 2
i 20140729111202 15.957 ± 0.036 0,0 10 2
i 20150901084153 16.018 ± 0.030 3,0 100 2
i 20150901084554 15.992 ± 0.033 3,0 100 2
i 20160420170134 16.054 ± 0.033 0,0 10 2
i 20180605124636 16.049 ± 0.040 0,0 10 2
i 20190505170526 15.995 ± 0.038 3,0 100 2
i 20190509140533 16.004 ± 0.060 1,0 100 2
i 20190720124743 16.052 ± 0.072 1,7 100 2
i 20200524153441 16.036 ± 0.040 0,0 10 2
i 20210407183626 15.989 ± 0.040 0,0 10 2
z 20140719115035 15.639 ± 0.039 0,0 20 2
z 20140722114259 15.576 ± 0.034 0,0 20 2
z 20140729111235 15.573 ± 0.036 0,0 20 2
z 20150901084353 15.612 ± 0.029 3,0 100 2
z 20150901084754 15.615 ± 0.033 3,0 100 2
z 20160420170204 15.704 ± 0.034 0,0 20 2
z 20180605124707 15.667 ± 0.034 0,0 20 2
z 20190505170726 15.606 ± 0.037 2,0 100 2
z 20190509140733 15.622 ± 0.057 1,0 100 2
z 20190720124943 15.667 ± 0.065 1,0 100 2
z 20200524153511 15.668 ± 0.043 0,0 20 3
z 20210407183658 15.715 ± 0.043 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.61 1.56
GAIA source ID 4121258035267858048 4121258035267857920
Bp mag. 17.686 --
G mag. 16.795 20.265
Rp mag. 15.841 --
Bp/Rp excess 1.332 --
Parallax (mas) 1.663 ± 0.073 -- ± --
PM RA (mas/yr) 4.467 ± 0.084 -- ± --
PM Dec (mas/yr) -2.480 ± 0.061 -- ± --
A.E.N. (mas) 0.094 ± 0.445 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.908 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 14.279 ± 0.003
H 13.757 ± 0.067
K 13.365 ± 0.005
W1 13.128 ± 0.014
W2 13.264 ± 0.014
W3 12.202 ± --
W4 8.669 ± --
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.