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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179799303 (SMSS J172440.89-205326.6)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.1703
Dec (deg)-20.8907
Galactic lon. (deg)4.2565
Galactic lat. (deg)8.3195
E(B-V) (SFD98) (mag)0.787
E(B-V) (GNILC) (mag)0.709 ± 0.036
Nearest DR4 source 179799305 (6.0 arcs away)
2nd-nearest DR4 source 2268030343 (8.7 arcs away)
3rd-nearest DR4 source 179799304 (9.8 arcs away)
Times observed43
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — 18.798 ± 0.050 17.161 ± 0.021 16.438 ± 0.010 15.900 ± 0.009 15.607 ± 0.010
Petrosian mag. — 18.770 ± 0.137 16.905 ± 0.077 16.354 ± 0.085 15.960 ± 0.011 15.696 ± 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)
v 20190505165526 18.862 ± 0.085 0,0 100 1
v 20190505170325 18.848 ± 0.084 0,0 100 1
v 20190505171125 18.804 ± 0.083 0,0 100 1
g 20140719114908 17.132 ± 0.049 0,0 5 2
g 20140722114132 17.297 ± 0.052 0,0 5 2
g 20140729111106 17.258 ± 0.046 0,0 5 2
g 20160420170043 17.197 ± 0.064 0,0 5 2
g 20180605124544 17.129 ± 0.055 0,0 5 2
g 20190505165725 17.544 ± 0.021 0,0 100 2
g 20190506165109 17.141 ± 0.019 3,0 100 2
g 20190507143127 17.613 ± 0.025 0,0 100 2
g 20190822094124 17.498 ± 0.021 0,0 100 2
r 20140719114939 16.444 ± 0.040 2,0 5 2
r 20140722114203 16.413 ± 0.035 2,0 5 2
r 20140729111131 16.406 ± 0.034 0,0 5 2
r 20160420170109 16.443 ± 0.043 0,0 5 2
r 20190505165926 16.455 ± 0.025 3,0 100 2
r 20190506165309 16.456 ± 0.024 3,0 100 2
r 20190507143327 16.448 ± 0.029 3,0 100 2
r 20190822094324 17.004 ± 0.023 0,0 100 2
i 20140719115004 15.857 ± 0.031 3,0 10 2
i 20140722114229 15.919 ± 0.034 3,0 10 2
i 20140729111202 15.896 ± 0.030 2,0 10 2
i 20150901084153 15.902 ± 0.028 3,0 100 2
i 20150901084554 15.905 ± 0.028 3,0 100 2
i 20160420170134 15.870 ± 0.036 0,0 10 2
i 20180605124636 15.919 ± 0.045 3,0 10 2
i 20190419150817 15.906 ± 0.039 3,0 100 2
i 20190505170526 15.913 ± 0.026 3,0 100 2
i 20190508164002 15.894 ± 0.03 3,0 100 2
i 20190720124743 15.924 ± 0.041 3,0 100 2
z 20140719115035 15.575 ± 0.034 3,0 20 2
z 20140722114259 15.617 ± 0.032 3,0 20 2
z 20140729111235 15.613 ± 0.030 3,0 20 2
z 20150901084353 15.614 ± 0.028 3,0 100 2
z 20150901084754 15.617 ± 0.028 3,0 100 2
z 20160420170204 15.579 ± 0.036 0,0 20 2
z 20180605124707 15.593 ± 0.042 3,0 20 2
z 20190419151018 15.637 ± 0.037 3,0 100 2
z 20190505170726 15.618 ± 0.026 3,0 100 2
z 20190508164202 15.59 ± 0.028 3,0 100 2
z 20190720124943 15.657 ± 0.042 3,0 100 2
z 20200513183957 15.635 ± 0.040 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.06 3.11
GAIA source ID 4121115678517840896 4121115682820825600
Bp mag. 17.084 20.790
G mag. 16.374 20.055
Rp mag. 15.561 18.882
Bp/Rp excess 1.267 1.609
Parallax (mas) 0.484 ± 0.064 1.696 ± 0.927
PM RA (mas/yr) -3.643 ± 0.079 -2.717 ± 0.985
PM Dec (mas/yr) -4.417 ± 0.055 -6.641 ± 0.662
A.E.N. (mas) 0.0 ± 0.000 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.369 ± 0.002
r 16.541 ± 0.002
i 16.075 ± 0.002
z 15.821 ± 0.002
Y -- ± --
J 14.471 ± 0.028
H 14.081 ± 0.02
K 13.96 ± 0.059
W1 13.922 ± 0.015
W2 14.035 ± 0.016
W3 12.289 ± --
W4 8.619 ± --
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.