Exposure
ID
GRAVI.2025-06-18T06:39:12.288_1
Header ID
GRAVI.2025-06-18T06:39:12.288
Date updated
2025-06-18 06:50:47 UTC+0000
Release date
2025-06-18 06:39:12 UTC+0000
UTC Start
2025-06-18 06:39:12.288
UTC End
2025-06-18 06:41:52.288
MJD Start
60844.27722556
MJD End
60844.279077411855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002355
Ambient temperature (°C)
5.86
Seeing (arcsec)
0.99
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 88.7970 88.5990 118.1000 118.4000
A0-J2 127.9640 127.7290 94.8000 95.0000
A0-K0 127.6780 127.5630 73.2560 73.4260
G1-J2 58.2260 58.2170 57.7000 57.8000
G1-K0 90.0640 90.1150 29.1990 29.4430
J2-K0 47.7560 47.7440 353.6830 354.0070
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 60844.27722556
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 88.797
HIERARCH ESO ISS PBL12 END 88.599
HIERARCH ESO ISS PBLA12 START 118.1
HIERARCH ESO ISS PBLA12 END 118.4
HIERARCH ESO ISS PBL13 START 127.964
HIERARCH ESO ISS PBL13 END 127.729
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 95.0
HIERARCH ESO ISS PBL14 START 127.678
HIERARCH ESO ISS PBL14 END 127.563
HIERARCH ESO ISS PBLA14 START 73.256
HIERARCH ESO ISS PBLA14 END 73.426
HIERARCH ESO ISS PBL23 START 58.226
HIERARCH ESO ISS PBL23 END 58.217
HIERARCH ESO ISS PBLA23 START 57.7
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 90.064
HIERARCH ESO ISS PBL24 END 90.115
HIERARCH ESO ISS PBLA24 START 29.199
HIERARCH ESO ISS PBLA24 END 29.443
HIERARCH ESO ISS PBL34 START 47.756
HIERARCH ESO ISS PBL34 END 47.744
HIERARCH ESO ISS PBLA34 START 353.683
HIERARCH ESO ISS PBLA34 END 354.007
HIERARCH ESO ISS AMBI TAU0 START 0.002299
HIERARCH ESO ISS AMBI TAU0 END 0.002411
HIERARCH ESO ISS AMBI TEMP 5.86
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 0.98