Exposure
ID
GRAVI.2025-04-30T08:28:55.946_1
Header ID
GRAVI.2025-04-30T08:28:55.946
Date updated
2025-04-30 08:40:59 UTC+0000
Release date
2025-04-30 08:28:55 UTC+0000
UTC Start
2025-04-30 08:28:55.946
UTC End
2025-04-30 08:31:35.946
MJD Start
60795.3534253
MJD End
60795.35527715186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005215
Ambient temperature (°C)
11.74
Seeing (arcsec)
0.66
Observation
ID
67066
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
49866
Name
HD_157097
RA
260.726871
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.3740 48.3930 158.0000 158.4000
A0-J2 127.0310 126.7850 101.5000 102.0000
A0-J6 162.3440 162.0640 32.7360 33.0330
B5-J2 108.1650 107.8640 79.6000 80.0000
B5-J6 194.3510 194.1460 21.0160 21.3090
J2-J6 166.0030 166.0610 347.2300 347.5910
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60795.3534253
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.726871
DEC -37.22101
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
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 48.374
HIERARCH ESO ISS PBL12 END 48.393
HIERARCH ESO ISS PBLA12 START 158.0
HIERARCH ESO ISS PBLA12 END 158.4
HIERARCH ESO ISS PBL13 START 127.031
HIERARCH ESO ISS PBL13 END 126.785
HIERARCH ESO ISS PBLA13 START 101.5
HIERARCH ESO ISS PBLA13 END 102.0
HIERARCH ESO ISS PBL14 START 162.344
HIERARCH ESO ISS PBL14 END 162.064
HIERARCH ESO ISS PBLA14 START 32.736
HIERARCH ESO ISS PBLA14 END 33.033
HIERARCH ESO ISS PBL23 START 108.165
HIERARCH ESO ISS PBL23 END 107.864
HIERARCH ESO ISS PBLA23 START 79.6
HIERARCH ESO ISS PBLA23 END 80.0
HIERARCH ESO ISS PBL24 START 194.351
HIERARCH ESO ISS PBL24 END 194.146
HIERARCH ESO ISS PBLA24 START 21.016
HIERARCH ESO ISS PBLA24 END 21.309
HIERARCH ESO ISS PBL34 START 166.003
HIERARCH ESO ISS PBL34 END 166.061
HIERARCH ESO ISS PBLA34 START 347.23
HIERARCH ESO ISS PBLA34 END 347.591
HIERARCH ESO ISS AMBI TAU0 START 0.005215
HIERARCH ESO ISS AMBI TAU0 END 0.005215
HIERARCH ESO ISS AMBI TEMP 11.74
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66