Exposure
ID
GRAVI.2025-06-18T05:32:45.119_1
Header ID
GRAVI.2025-06-18T05:32:45.119
Date updated
2025-06-18 05:47:28 UTC+0000
Release date
2025-06-18 05:32:45 UTC+0000
UTC Start
2025-06-18 05:32:45.119
UTC End
2025-06-18 05:35:25.119
MJD Start
60844.23107777
MJD End
60844.23292962185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0022135
Ambient temperature (°C)
6.24
Seeing (arcsec)
1.025
Observation
ID
67612
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
50283
Name
HD_179130
RA
287.977144
DEC
-14.58451
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 90.3510 90.4060 113.4000 113.6000
A0-J2 127.9600 128.1760 90.6000 90.8000
A0-K0 125.4980 125.7820 68.7030 68.9390
G1-J2 56.8090 56.9330 52.5000 52.7000
G1-K0 88.3020 88.3960 22.6570 22.9890
J2-K0 48.1470 48.1270 346.7610 347.0490
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 60844.23107777
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977144
DEC -14.58451
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 90.351
HIERARCH ESO ISS PBL12 END 90.406
HIERARCH ESO ISS PBLA12 START 113.4
HIERARCH ESO ISS PBLA12 END 113.6
HIERARCH ESO ISS PBL13 START 127.96
HIERARCH ESO ISS PBL13 END 128.176
HIERARCH ESO ISS PBLA13 START 90.6
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 125.498
HIERARCH ESO ISS PBL14 END 125.782
HIERARCH ESO ISS PBLA14 START 68.703
HIERARCH ESO ISS PBLA14 END 68.939
HIERARCH ESO ISS PBL23 START 56.809
HIERARCH ESO ISS PBL23 END 56.933
HIERARCH ESO ISS PBLA23 START 52.5
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 88.302
HIERARCH ESO ISS PBL24 END 88.396
HIERARCH ESO ISS PBLA24 START 22.657
HIERARCH ESO ISS PBLA24 END 22.989
HIERARCH ESO ISS PBL34 START 48.147
HIERARCH ESO ISS PBL34 END 48.127
HIERARCH ESO ISS PBLA34 START 346.761
HIERARCH ESO ISS PBLA34 END 347.049
HIERARCH ESO ISS AMBI TAU0 START 0.002141
HIERARCH ESO ISS AMBI TAU0 END 0.002286
HIERARCH ESO ISS AMBI TEMP 6.24
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 1.08