Exposure
ID
GRAVI.2025-02-25T01:25:08.648_1
Header ID
GRAVI.2025-02-25T01:25:08.648
Date updated
2025-02-25 01:35:37 UTC+0000
Release date
2025-02-25 01:25:08 UTC+0000
UTC Start
2025-02-25 01:25:08.648
UTC End
2025-02-25 01:27:48.648
MJD Start
60731.05912787
MJD End
60731.06097972186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0047935
Ambient temperature (°C)
15.84
Seeing (arcsec)
0.765
Observation
ID
64836
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
48281
Name
HD83465
RA
144.188018
DEC
-52.94312
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 74.5250 74.9190 83.6000 84.3000
A0-J2 118.5360 118.8810 60.2000 60.9000
A0-K0 125.8870 126.0060 41.9600 42.6120
G1-J2 58.2290 58.2290 29.7000 30.3000
G1-K0 85.9440 85.9170 6.7560 7.2040
J2-K0 39.4770 39.5810 331.6960 332.0080
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 60731.05912787
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 83465
HIERARCH ESO INS SOBJ NAME HD83465
RA 144.188018
DEC -52.94312
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 74.525
HIERARCH ESO ISS PBL12 END 74.919
HIERARCH ESO ISS PBLA12 START 83.6
HIERARCH ESO ISS PBLA12 END 84.3
HIERARCH ESO ISS PBL13 START 118.536
HIERARCH ESO ISS PBL13 END 118.881
HIERARCH ESO ISS PBLA13 START 60.2
HIERARCH ESO ISS PBLA13 END 60.9
HIERARCH ESO ISS PBL14 START 125.887
HIERARCH ESO ISS PBL14 END 126.006
HIERARCH ESO ISS PBLA14 START 41.96
HIERARCH ESO ISS PBLA14 END 42.612
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 30.3
HIERARCH ESO ISS PBL24 START 85.944
HIERARCH ESO ISS PBL24 END 85.917
HIERARCH ESO ISS PBLA24 START 6.756
HIERARCH ESO ISS PBLA24 END 7.204
HIERARCH ESO ISS PBL34 START 39.477
HIERARCH ESO ISS PBL34 END 39.581
HIERARCH ESO ISS PBLA34 START 331.696
HIERARCH ESO ISS PBLA34 END 332.008
HIERARCH ESO ISS AMBI TAU0 START 0.004516
HIERARCH ESO ISS AMBI TAU0 END 0.005071
HIERARCH ESO ISS AMBI TEMP 15.84
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.75