Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842540 (SMSS J172601.98-202504.6)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.5083
Dec (deg)-20.4180
Galactic lon. (deg)4.8313
Galactic lat. (deg)8.3138
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.022
Nearest DR4 source 179842538 (8.2 arcs away)
2nd-nearest DR4 source 179842539 (8.7 arcs away)
3rd-nearest DR4 source 179842541 (8.7 arcs away)
Times observed13
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.713 ± 0.086 16.859 ± 0.018 16.159 ± 0.018 15.531 ± 0.027 15.211 ± 0.049
Petrosian mag. 19.173 ± 0.228 16.833 ± 0.086 16.127 ± 0.076 15.506 ± 0.071 15.203 ± 0.035

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 18.713 ± 0.076 16,0 100 1
v 20190505171125 18.844 ± 0.085 0,0 100 1
g 20140719114908 16.886 ± 0.044 1,0 5 2
g 20140729111106 16.840 ± 0.037 0,0 5 2
g 20160420170043 16.882 ± 0.052 0,0 5 2
g 20210407183532 16.888 ± 0.049 0,0 5 2
r 20140719114939 16.149 ± 0.038 3,0 5 2
r 20140729111131 16.202 ± 0.032 0,0 5 2
r 20160420170109 16.108 ± 0.036 0,0 5 2
r 20210407183558 16.179 ± 0.039 1,0 5 2
i 20140729111202 15.553 ± 0.030 3,0 10 2
i 20160420170134 15.553 ± 0.030 3,0 10 2
i 20210407183626 15.547 ± 0.034 1,0 10 2
z 20140729111235 15.218 ± 0.032 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.06 2.47
GAIA source ID 4121236526069591552 4121236526019437568
Bp mag. 16.79 --
G mag. 16.052 20.569
Rp mag. 15.216 --
Bp/Rp excess 1.277 --
Parallax (mas) 0.169 ± 0.041 -- ± --
PM RA (mas/yr) -2.590 ± 0.051 -- ± --
PM Dec (mas/yr) -5.471 ± 0.035 -- ± --
A.E.N. (mas) 0.0 ± 0.0 5.023 ± 4.286

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.042 ± 0.003
r 16.174 ± 0.002
i 15.665 ± 0.002
z 15.373 ± 0.003
Y -- ± --
J 14.037 ± 0.037
H 13.388 ± 0.047
K 13.244 ± 0.036
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
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.