Exposure
ID
GRAVI.2025-04-24T00:37:12.849_1
Header ID
GRAVI.2025-04-24T00:37:12.849
Date updated
2025-04-24 00:45:41 UTC+0000
Release date
2025-04-24 00:37:12 UTC+0000
UTC Start
2025-04-24 00:37:12.849
UTC End
2025-04-24 00:38:32.849
MJD Start
60789.02584316
MJD End
60789.026769085925
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.008192
Ambient temperature (°C)
11.99
Seeing (arcsec)
0.575
Observation
ID
66946
Category
calibrator
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
49770
Name
hd73900b
RA
129.838015
DEC
-36.60644
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.3690 89.3070 128.5000 128.8000
A0-J2 124.1700 123.9810 105.8000 106.1000
A0-K0 119.9540 119.7110 83.3290 83.5440
G1-J2 54.1090 54.0010 66.3000 66.5000
G1-K0 85.2610 85.1650 35.2730 35.4110
J2-K0 47.8500 47.8500 359.6330 359.8050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 60789.02584316
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME hd73900b
HIERARCH ESO INS SOBJ NAME hd73900b
RA 129.838015
DEC -36.60644
HIERARCH ESO INS SPEC RES MEDIUM
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 95.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.369
HIERARCH ESO ISS PBL12 END 89.307
HIERARCH ESO ISS PBLA12 START 128.5
HIERARCH ESO ISS PBLA12 END 128.8
HIERARCH ESO ISS PBL13 START 124.17
HIERARCH ESO ISS PBL13 END 123.981
HIERARCH ESO ISS PBLA13 START 105.8
HIERARCH ESO ISS PBLA13 END 106.1
HIERARCH ESO ISS PBL14 START 119.954
HIERARCH ESO ISS PBL14 END 119.711
HIERARCH ESO ISS PBLA14 START 83.329
HIERARCH ESO ISS PBLA14 END 83.544
HIERARCH ESO ISS PBL23 START 54.109
HIERARCH ESO ISS PBL23 END 54.001
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.5
HIERARCH ESO ISS PBL24 START 85.261
HIERARCH ESO ISS PBL24 END 85.165
HIERARCH ESO ISS PBLA24 START 35.273
HIERARCH ESO ISS PBLA24 END 35.411
HIERARCH ESO ISS PBL34 START 47.85
HIERARCH ESO ISS PBL34 END 47.85
HIERARCH ESO ISS PBLA34 START 359.633
HIERARCH ESO ISS PBLA34 END 359.805
HIERARCH ESO ISS AMBI TAU0 START 0.008727
HIERARCH ESO ISS AMBI TAU0 END 0.007657
HIERARCH ESO ISS AMBI TEMP 11.99
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.62
HIERARCH ESO FT ROBJ NAME hd73900a
HIERARCH ESO FT ROBJ ALPHA 083922.108
HIERARCH ESO FT ROBJ DELTA -363624.012