Exposure
ID
GRAVI.2025-04-28T07:26:14.515_1
Header ID
GRAVI.2025-04-28T07:26:14.515
Date updated
2025-04-28 07:35:47 UTC+0000
Release date
2025-04-28 07:26:14 UTC+0000
UTC Start
2025-04-28 07:26:14.515
UTC End
2025-04-28 07:28:54.515
MJD Start
60793.30989022
MJD End
60793.311742071855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005191
Ambient temperature (°C)
12.54
Seeing (arcsec)
0.34
Observation
ID
67031
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
49839
Name
HD_158619
RA
262.944604
DEC
-33.70334
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.5650 89.6900 112.8000 113.2000
A0-J2 128.7110 128.8280 89.6000 90.1000
A0-K0 127.9390 127.9650 68.1060 68.5310
G1-J2 58.2120 58.1980 52.4000 52.8000
G1-K0 89.9600 89.9170 23.6820 24.0400
J2-K0 47.9310 47.9500 347.9630 348.2800
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 60793.30989022
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 158619
HIERARCH ESO INS SOBJ NAME HD_158619
RA 262.944604
DEC -33.70334
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 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 89.565
HIERARCH ESO ISS PBL12 END 89.69
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 113.2
HIERARCH ESO ISS PBL13 START 128.711
HIERARCH ESO ISS PBL13 END 128.828
HIERARCH ESO ISS PBLA13 START 89.6
HIERARCH ESO ISS PBLA13 END 90.1
HIERARCH ESO ISS PBL14 START 127.939
HIERARCH ESO ISS PBL14 END 127.965
HIERARCH ESO ISS PBLA14 START 68.106
HIERARCH ESO ISS PBLA14 END 68.531
HIERARCH ESO ISS PBL23 START 58.212
HIERARCH ESO ISS PBL23 END 58.198
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.8
HIERARCH ESO ISS PBL24 START 89.96
HIERARCH ESO ISS PBL24 END 89.917
HIERARCH ESO ISS PBLA24 START 23.682
HIERARCH ESO ISS PBLA24 END 24.04
HIERARCH ESO ISS PBL34 START 47.931
HIERARCH ESO ISS PBL34 END 47.95
HIERARCH ESO ISS PBLA34 START 347.963
HIERARCH ESO ISS PBLA34 END 348.28
HIERARCH ESO ISS AMBI TAU0 START 0.005191
HIERARCH ESO ISS AMBI TAU0 END 0.005191
HIERARCH ESO ISS AMBI TEMP 12.54
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34