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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179852838 (SMSS J172742.07-203415.9)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.925
Dec (deg)-20.571
Galactic lon. (deg)4.917
Galactic lat. (deg)7.903
E(B-V) (SFD98) (mag)0.860
E(B-V) (GNILC) (mag)0.724 ± 0.038
Nearest DR4 source 179852851 (6.8 arcs away)
2nd-nearest DR4 source 179852837 (10.0 arcs away)
3rd-nearest DR4 source 179852852 (10.9 arcs away)
Times observed36
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 18.276 ± 0.035 17.192 ± 0.021 16.202 ± 0.016 15.666 ± 0.015
Petrosian mag. — — 18.170 ± 0.022 17.062 ± 0.024 16.164 ± 0.015 15.651 ± 0.018

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 20140722114132 18.377 ± 0.109 0,0 5 2
g 20140729111106 18.136 ± 0.089 0,0 5 2
g 20190506165109 18.303 ± 0.030 0,0 100 2
g 20190507143127 18.287 ± 0.043 0,0 100 2
g 20190822094124 18.295 ± 0.032 0,0 100 2
r 20140722114203 17.270 ± 0.059 0,0 5 2
r 20140729111131 17.193 ± 0.056 0,0 5 2
r 20160420170109 17.164 ± 0.070 0,0 5 2
r 20160420172325 17.236 ± 0.071 0,0 5 2
r 20190506165309 17.154 ± 0.028 0,0 100 2
r 20190507143327 17.149 ± 0.041 0,0 100 2
r 20190822094324 17.156 ± 0.031 0,0 100 2
r 20200524153415 17.169 ± 0.077 0,0 5 2
i 20140722114229 16.225 ± 0.038 0,0 10 2
i 20140729111202 16.209 ± 0.039 0,0 10 2
i 20150901084153 16.171 ± 0.030 0,0 100 2
i 20150901084554 16.167 ± 0.033 0,0 100 2
i 20160420170134 16.166 ± 0.037 0,0 10 2
i 20160420172350 16.210 ± 0.04 0,0 10 2
i 20180605124636 16.197 ± 0.046 0,0 10 2
i 20190508164002 16.205 ± 0.037 0,0 100 2
i 20190509140533 16.204 ± 0.050 0,0 100 2
i 20190720124743 16.171 ± 0.061 0,0 100 2
i 20200513190610 16.214 ± 0.033 0,0 100 2
i 20200524153441 16.186 ± 0.045 0,0 10 2
z 20140722114259 15.651 ± 0.034 0,0 20 2
z 20140729111235 15.642 ± 0.037 0,0 20 2
z 20150901084353 15.614 ± 0.032 0,0 100 2
z 20150901084754 15.634 ± 0.033 0,0 100 2
z 20160420170204 15.661 ± 0.033 0,0 20 2
z 20160420172420 15.680 ± 0.033 0,0 20 2
z 20180605124707 15.668 ± 0.040 0,0 20 2
z 20190508164202 15.637 ± 0.030 0,0 100 2
z 20190509140733 15.646 ± 0.053 0,0 100 2
z 20190720124943 15.616 ± 0.058 0,0 100 2
z 20200513190811 15.662 ± 0.037 0,0 100 2
z 20200524153511 15.630 ± 0.044 0,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.38 1.21
GAIA source ID 4121037784992532608 4121037789316024320
Bp mag. 18.187 --
G mag. 17.032 20.755
Rp mag. 15.907 --
Bp/Rp excess 1.437 --
Parallax (mas) 0.172 ± 0.086 -- ± --
PM RA (mas/yr) -3.244 ± 0.096 -- ± --
PM Dec (mas/yr) -6.310 ± 0.068 -- ± --
A.E.N. (mas) 0.108 ± 0.442 4.838 ± 1.384

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.131 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 14.102 ± 0.025
H 13.242 ± 0.024
K 12.952 ± 0.033
W1 12.815 ± 0.013
W2 13.0 ± 0.012
W3 12.269 ± 0.5
W4 8.935 ± --
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.