Exposure
ID
GRAVI.2025-04-24T04:37:31.018_1
Header ID
GRAVI.2025-04-24T04:37:31.018
Date updated
2025-04-24 04:45:46 UTC+0000
Release date
2026-04-24 04:45:46 UTC+0000
UTC Start
2025-04-24 04:37:31.018
UTC End
2025-04-24 04:37:50.218
MJD Start
60789.19272012
MJD End
60789.192942342226
Exposure time (s)
19.2
Validation level
1
Tau 0: Coherence time (s)
0.007732
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.715
Observation
ID
66953
Category
science
Program ID
112.25JD.002
Program Title
PINNING DOWN THE ORBIT OF HD 100453 B, A POTENTIAL SPIRAL-ARM-DRIVING COMPANION
Program Type
Monitoring
PI / COI
XIE / CHOQUET / VIGAN / REN / LACOUR / DONG / WAGNER / FANG / GONZALEZ
Target
ID
49775
Name
HD_100453_B
RA
173.269065
DEC
-54.32463
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.2180 90.2100 143.2000 143.3000
A0-J2 122.0270 121.9690 124.7000 124.9000
A0-K0 109.6490 109.5430 104.4190 104.5640
G1-J2 46.2980 46.2400 86.7000 86.8000
G1-K0 68.8100 68.7360 49.2560 49.3330
J2-K0 42.6280 42.6230 7.9730 8.0510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25JD.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60789.19272012
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 100453
HIERARCH ESO INS SOBJ NAME HD_100453_B
RA 173.269065
DEC -54.32463
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 41.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 90.218
HIERARCH ESO ISS PBL12 END 90.21
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 122.027
HIERARCH ESO ISS PBL13 END 121.969
HIERARCH ESO ISS PBLA13 START 124.7
HIERARCH ESO ISS PBLA13 END 124.9
HIERARCH ESO ISS PBL14 START 109.649
HIERARCH ESO ISS PBL14 END 109.543
HIERARCH ESO ISS PBLA14 START 104.419
HIERARCH ESO ISS PBLA14 END 104.564
HIERARCH ESO ISS PBL23 START 46.298
HIERARCH ESO ISS PBL23 END 46.24
HIERARCH ESO ISS PBLA23 START 86.7
HIERARCH ESO ISS PBLA23 END 86.8
HIERARCH ESO ISS PBL24 START 68.81
HIERARCH ESO ISS PBL24 END 68.736
HIERARCH ESO ISS PBLA24 START 49.256
HIERARCH ESO ISS PBLA24 END 49.333
HIERARCH ESO ISS PBL34 START 42.628
HIERARCH ESO ISS PBL34 END 42.623
HIERARCH ESO ISS PBLA34 START 7.973
HIERARCH ESO ISS PBLA34 END 8.051
HIERARCH ESO ISS AMBI TAU0 START 0.007157
HIERARCH ESO ISS AMBI TAU0 END 0.008307
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.7
HIERARCH ESO FT ROBJ NAME HD_100453
HIERARCH ESO FT ROBJ ALPHA 113305.576
HIERARCH ESO FT ROBJ DELTA -541928.547