Exposure
ID
GRAVI.2025-02-19T04:30:09.564_1
Header ID
GRAVI.2025-02-19T04:30:09.564
Date updated
2025-02-19 04:41:04 UTC+0000
Release date
2025-02-19 04:30:09 UTC+0000
UTC Start
2025-02-19 04:30:09.564
UTC End
2025-02-19 04:32:49.564
MJD Start
60725.1876107
MJD End
60725.189462551854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005549
Ambient temperature (°C)
13.22
Seeing (arcsec)
0.54
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 44.2570 44.3300 150.9000 151.3000
A0-J2 129.1930 129.1650 96.5000 97.1000
A0-J6 149.6560 149.3340 32.1760 32.5880
B5-J2 109.4850 109.3100 77.3000 77.9000
B5-J6 175.2600 175.0080 19.3790 19.7540
J2-J6 149.4540 149.6380 340.9970 341.3950
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 60725.1876107
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 44.257
HIERARCH ESO ISS PBL12 END 44.33
HIERARCH ESO ISS PBLA12 START 150.9
HIERARCH ESO ISS PBLA12 END 151.3
HIERARCH ESO ISS PBL13 START 129.193
HIERARCH ESO ISS PBL13 END 129.165
HIERARCH ESO ISS PBLA13 START 96.5
HIERARCH ESO ISS PBLA13 END 97.1
HIERARCH ESO ISS PBL14 START 149.656
HIERARCH ESO ISS PBL14 END 149.334
HIERARCH ESO ISS PBLA14 START 32.176
HIERARCH ESO ISS PBLA14 END 32.588
HIERARCH ESO ISS PBL23 START 109.485
HIERARCH ESO ISS PBL23 END 109.31
HIERARCH ESO ISS PBLA23 START 77.3
HIERARCH ESO ISS PBLA23 END 77.9
HIERARCH ESO ISS PBL24 START 175.26
HIERARCH ESO ISS PBL24 END 175.008
HIERARCH ESO ISS PBLA24 START 19.379
HIERARCH ESO ISS PBLA24 END 19.754
HIERARCH ESO ISS PBL34 START 149.454
HIERARCH ESO ISS PBL34 END 149.638
HIERARCH ESO ISS PBLA34 START 340.997
HIERARCH ESO ISS PBLA34 END 341.395
HIERARCH ESO ISS AMBI TAU0 START 0.005561
HIERARCH ESO ISS AMBI TAU0 END 0.005537
HIERARCH ESO ISS AMBI TEMP 13.22
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54