Exposure
ID
GRAVI.2025-04-24T04:56:37.067_1
Header ID
GRAVI.2025-04-24T04:56:37.067
Date updated
2025-04-24 05:05:40 UTC+0000
Release date
2026-04-24 05:05:40 UTC+0000
UTC Start
2025-04-24 04:56:37.067
UTC End
2025-04-24 04:59:17.067
MJD Start
60789.20598457
MJD End
60789.207836421854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007212
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.55
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 89.9830 89.9440 147.3000 147.9000
A0-J2 120.2880 120.0160 129.2000 129.9000
A0-K0 106.4650 105.9650 108.8130 109.5040
G1-J2 44.5320 44.2530 90.5000 91.1000
G1-K0 66.5650 66.2070 51.5760 51.9290
J2-K0 42.4460 42.4130 10.3390 10.7020
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 60789.20598457
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 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 89.983
HIERARCH ESO ISS PBL12 END 89.944
HIERARCH ESO ISS PBLA12 START 147.3
HIERARCH ESO ISS PBLA12 END 147.9
HIERARCH ESO ISS PBL13 START 120.288
HIERARCH ESO ISS PBL13 END 120.016
HIERARCH ESO ISS PBLA13 START 129.2
HIERARCH ESO ISS PBLA13 END 129.9
HIERARCH ESO ISS PBL14 START 106.465
HIERARCH ESO ISS PBL14 END 105.965
HIERARCH ESO ISS PBLA14 START 108.813
HIERARCH ESO ISS PBLA14 END 109.504
HIERARCH ESO ISS PBL23 START 44.532
HIERARCH ESO ISS PBL23 END 44.253
HIERARCH ESO ISS PBLA23 START 90.5
HIERARCH ESO ISS PBLA23 END 91.1
HIERARCH ESO ISS PBL24 START 66.565
HIERARCH ESO ISS PBL24 END 66.207
HIERARCH ESO ISS PBLA24 START 51.576
HIERARCH ESO ISS PBLA24 END 51.929
HIERARCH ESO ISS PBL34 START 42.446
HIERARCH ESO ISS PBL34 END 42.413
HIERARCH ESO ISS PBLA34 START 10.339
HIERARCH ESO ISS PBLA34 END 10.702
HIERARCH ESO ISS AMBI TAU0 START 0.006684
HIERARCH ESO ISS AMBI TAU0 END 0.00774
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.56
HIERARCH ESO FT ROBJ NAME HD_100453
HIERARCH ESO FT ROBJ ALPHA 113305.576
HIERARCH ESO FT ROBJ DELTA -541928.547