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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179855474 (SMSS J172704.14-202942.2)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.767
Dec (deg)-20.495
Galactic lon. (deg)4.900
Galactic lat. (deg)8.068
E(B-V) (SFD98) (mag)0.775
E(B-V) (GNILC) (mag)0.640 ± 0.033
Nearest DR4 source 179855451 (8.3 arcs away)
2nd-nearest DR4 source 179855476 (10.1 arcs away)
3rd-nearest DR4 source 179855477 (13.1 arcs away)
Times observed36
Total bad pixels3
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 17.077 ± 0.016 16.175 ± 0.015 15.398 ± 0.013 14.963 ± 0.014
Petrosian mag. — — 17.042 ± 0.016 16.140 ± 0.021 15.382 ± 0.012 14.955 ± 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)
g 20140719114908 17.089 ± 0.045 0,0 5 2
g 20140722114132 17.144 ± 0.049 0,0 5 2
g 20140729111106 17.125 ± 0.045 0,0 5 2
g 20180605124544 17.031 ± 0.049 0,3 5 2
g 20190505165725 17.100 ± 0.028 0,0 100 2
g 20190506165109 17.086 ± 0.024 0,0 100 2
g 20190507143127 17.113 ± 0.038 0,0 100 2
g 20200524153348 17.18 ± 0.075 0,0 5 3
g 20210407183532 17.049 ± 0.054 0,0 5 2
r 20140719114939 16.160 ± 0.037 0,0 5 2
r 20140722114203 16.180 ± 0.034 0,0 5 2
r 20140729111131 16.174 ± 0.034 0,0 5 2
r 20190505165926 16.179 ± 0.034 0,0 100 2
r 20190506165309 16.178 ± 0.026 0,0 100 2
r 20190507143327 16.182 ± 0.039 0,0 100 2
r 20200524153415 16.206 ± 0.041 0,0 5 2
r 20210407183558 16.193 ± 0.040 0,0 5 2
i 20140719115004 15.400 ± 0.032 0,0 10 2
i 20140722114229 15.392 ± 0.030 0,0 10 2
i 20140729111202 15.406 ± 0.032 0,0 10 2
i 20150901084153 15.403 ± 0.029 0,0 100 2
i 20150901084554 15.404 ± 0.032 0,0 100 2
i 20180605124636 15.369 ± 0.034 0,18 10 2
i 20190505170526 15.393 ± 0.035 0,0 100 2
i 20190508164002 15.409 ± 0.036 0,0 100 2
i 20190509140533 15.406 ± 0.046 0,0 100 2
i 20200513190610 15.410 ± 0.028 0,0 100 2
i 20200524153441 15.420 ± 0.035 0,0 10 2
i 20210407183626 15.396 ± 0.032 0,0 10 2
z 20140719115035 14.978 ± 0.033 0,0 20 2
z 20140722114259 14.950 ± 0.029 0,0 20 2
z 20140729111235 14.955 ± 0.033 0,0 20 2
z 20150901084353 14.961 ± 0.031 0,0 100 2
z 20150901084754 14.977 ± 0.032 16,0 100 2
z 20180605124707 14.984 ± 0.033 0,12 20 2
z 20190505170726 14.972 ± 0.036 0,0 100 2
z 20190508164202 14.965 ± 0.031 0,0 100 2
z 20190509140733 14.969 ± 0.049 0,0 100 2
z 20200513190811 14.974 ± 0.032 0,0 100 2
z 20200524153511 14.952 ± 0.036 0,0 20 3
z 20210407183658 14.957 ± 0.034 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 1.37
GAIA source ID 4121225595315274368 4121225599671799680
Bp mag. 17.051 --
G mag. 16.090 20.311
Rp mag. 15.115 --
Bp/Rp excess 1.332 --
Parallax (mas) 0.181 ± 0.051 -- ± --
PM RA (mas/yr) -2.111 ± 0.062 -- ± --
PM Dec (mas/yr) -7.313 ± 0.041 -- ± --
A.E.N. (mas) 0.0 ± 0.0 2.586 ± 1.270

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.310 ± 0.004
r 16.151 ± 0.002
i 15.500 ± 0.002
z 15.164 ± 0.002
Y -- ± --
J 13.66 ± 0.023
H 12.921 ± 0.023
K 12.777 ± 0.03
W1 12.624 ± 0.014
W2 12.754 ± 0.01
W3 12.312 ± --
W4 8.849 ± --
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.