Exposure
ID
GRAVI.2025-02-19T04:36:54.582_1
Header ID
GRAVI.2025-02-19T04:36:54.582
Date updated
2025-02-19 04:46:11 UTC+0000
Release date
2025-02-19 04:36:54 UTC+0000
UTC Start
2025-02-19 04:36:54.582
UTC End
2025-02-19 04:39:34.582
MJD Start
60725.1922984
MJD End
60725.19415025185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038719999999999996
Ambient temperature (°C)
13.25
Seeing (arcsec)
0.6799999999999999
Observation
ID
64762
Category
calibrator
Program ID
114.274C.001
Program Title
A NON-INTERACTING BLACK HOLE HIDING AROUND ONE OF THE BRIGHTEST STARS IN THE SKY?
Program Type
Normal
PI / COI
THOMPSON / KRAUS / ROWAN
Target
ID
48225
Name
HD81720
RA
141.328478
DEC
-54.4638
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 44.4210 44.4900 151.9000 152.3000
A0-J2 129.1180 129.0740 97.9000 98.5000
A0-J6 148.9150 148.5770 33.1070 33.5150
B5-J2 109.0780 108.8880 78.7000 79.2000
B5-J6 174.6780 174.4120 20.2260 20.5970
J2-J6 149.8670 150.0420 341.9010 342.2990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.274C.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60725.1922984
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81720
HIERARCH ESO INS SOBJ NAME HD81720
RA 141.328478
DEC -54.4638
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 44.421
HIERARCH ESO ISS PBL12 END 44.49
HIERARCH ESO ISS PBLA12 START 151.9
HIERARCH ESO ISS PBLA12 END 152.3
HIERARCH ESO ISS PBL13 START 129.118
HIERARCH ESO ISS PBL13 END 129.074
HIERARCH ESO ISS PBLA13 START 97.9
HIERARCH ESO ISS PBLA13 END 98.5
HIERARCH ESO ISS PBL14 START 148.915
HIERARCH ESO ISS PBL14 END 148.577
HIERARCH ESO ISS PBLA14 START 33.107
HIERARCH ESO ISS PBLA14 END 33.515
HIERARCH ESO ISS PBL23 START 109.078
HIERARCH ESO ISS PBL23 END 108.888
HIERARCH ESO ISS PBLA23 START 78.7
HIERARCH ESO ISS PBLA23 END 79.2
HIERARCH ESO ISS PBL24 START 174.678
HIERARCH ESO ISS PBL24 END 174.412
HIERARCH ESO ISS PBLA24 START 20.226
HIERARCH ESO ISS PBLA24 END 20.597
HIERARCH ESO ISS PBL34 START 149.867
HIERARCH ESO ISS PBL34 END 150.042
HIERARCH ESO ISS PBLA34 START 341.901
HIERARCH ESO ISS PBLA34 END 342.299
HIERARCH ESO ISS AMBI TAU0 START 0.004101
HIERARCH ESO ISS AMBI TAU0 END 0.003643
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.74