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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151930 (SMSS J172719.21-202024.2)

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Data releaseDR4
RA (deg)261.8301
Dec (deg)-20.3401
Galactic lon. (deg)5.0634
Galactic lat. (deg)8.1033
E(B-V) (SFD98) (mag)0.778
E(B-V) (GNILC) (mag)0.585 ± 0.030
Nearest DR4 source 185152152 (7.2 arcs away)
2nd-nearest DR4 source 185152153 (10.4 arcs away)
3rd-nearest DR4 source 185152039 (10.8 arcs away)
Times observed41
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.369 ± 0.078 17.973 ± 0.031 16.381 ± 0.012 15.688 ± 0.011 15.136 ± 0.009 14.836 ± 0.011
Petrosian mag. 18.444 ± 0.130 18.068 ± 0.067 16.387 ± 0.024 15.704 ± 0.017 15.138 ± 0.011 14.848 ± 0.011

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)
u 20140729110926 18.290 ± 0.115 0,0 40 3
u 20190505170125 18.413 ± 0.074 0,0 100 2
v 20140729111025 17.918 ± 0.125 512,0 20 2
v 20190505170325 18.001 ± 0.040 0,0 100 1
v 20190505171125 17.969 ± 0.045 0,0 100 1
v 20210412150202 17.898 ± 0.054 0,0 100 1
g 20140719114908 16.407 ± 0.031 0,0 5 2
g 20140722114132 16.362 ± 0.032 0,0 5 2
g 20140729111106 16.372 ± 0.032 0,0 5 2
g 20160420170043 16.484 ± 0.037 0,0 5 2
g 20180605124544 16.386 ± 0.034 0,0 5 2
g 20190506165109 16.376 ± 0.025 3,0 100 2
g 20190507143127 16.355 ± 0.037 3,0 100 2
g 20200524153348 16.397 ± 0.046 0,0 5 3
g 20210407183532 16.392 ± 0.034 0,0 5 2
r 20140719114939 15.726 ± 0.032 0,0 5 2
r 20140722114203 15.689 ± 0.030 0,0 5 2
r 20140729111131 15.691 ± 0.030 0,0 5 2
r 20160420170109 15.727 ± 0.028 0,3 5 2
r 20190506165309 15.686 ± 0.030 3,0 100 2
r 20190507143327 15.683 ± 0.039 3,0 100 2
r 20200524153415 15.662 ± 0.039 0,0 5 2
r 20210407183558 15.656 ± 0.039 0,0 5 2
i 20140719115004 15.135 ± 0.030 0,0 10 2
i 20140722114229 15.165 ± 0.032 0,0 10 2
i 20140729111202 15.123 ± 0.030 0,0 10 2
i 20150901084153 15.134 ± 0.029 3,0 100 2
i 20150901084554 15.129 ± 0.032 3,0 100 2
i 20160420170134 15.172 ± 0.021 0,0 10 2
i 20180605124636 15.163 ± 0.029 0,0 10 2
i 20190508164002 15.128 ± 0.035 3,0 100 2
i 20190509140533 15.139 ± 0.047 19,0 100 2
i 20200513190610 15.161 ± 0.029 3,0 100 2
i 20200524153441 15.126 ± 0.032 0,0 10 2
i 20210407183626 15.111 ± 0.031 0,0 10 2
z 20140719115035 14.818 ± 0.032 0,0 20 2
z 20140722114259 14.851 ± 0.030 0,0 20 2
z 20140729111235 14.843 ± 0.032 0,0 20 2
z 20150901084353 14.837 ± 0.027 0,0 100 2
z 20150901084754 14.831 ± 0.031 0,0 100 2
z 20160420170204 14.844 ± 0.023 0,0 20 2
z 20180605124707 14.838 ± 0.024 0,0 20 2
z 20190508164202 14.824 ± 0.030 3,0 100 2
z 20190509140733 14.848 ± 0.050 19,0 100 2
z 20200513190811 14.843 ± 0.032 0,0 100 2
z 20200524153511 14.836 ± 0.032 0,0 20 3
z 20210407183658 14.861 ± 0.034 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 3.15
GAIA source ID 4121255458287386112 4121252503318058624
Bp mag. 16.311 --
G mag. 15.626 20.653
Rp mag. 14.801 --
Bp/Rp excess 1.286 --
Parallax (mas) 1.099 ± 0.138 -- ± --
PM RA (mas/yr) 2.026 ± 0.126 -- ± --
PM Dec (mas/yr) 4.321 ± 0.092 -- ± --
A.E.N. (mas) 0.603 ± 56.217 2.307 ± 0.872

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 15.803 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 13.715 ± 0.026
H 13.204 ± 0.031
K 13.152 ± 0.028
W1 12.969 ± 0.014
W2 13.073 ± 0.015
W3 12.477 ± --
W4 8.046 ± --
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.