Exposure
ID
GRAVI.2025-05-20T03:11:25.965_1
Header ID
GRAVI.2025-05-20T03:11:25.965
Date updated
2025-05-20 03:25:52 UTC+0000
Release date
2025-05-20 03:11:25 UTC+0000
UTC Start
2025-05-20 03:11:25.965
UTC End
2025-05-20 03:14:37.965
MJD Start
60815.13293941
MJD End
60815.13516163223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005671
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.715
Observation
ID
66034
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
49155
Name
HD_152636
RA
253.988066
DEC
-33.50683
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.8740 22.0080 128.1000 128.3000
A0-D0 29.0510 29.1810 45.8000 46.6000
A0-C1 18.5550 18.7270 96.9480 97.3940
B2-D0 33.9260 33.9280 6.1000 6.6000
B2-C1 11.3010 11.3020 6.0600 6.5890
D0-C1 22.6250 22.6260 186.1120 186.6410
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 60815.13293941
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 152636
HIERARCH ESO INS SOBJ NAME HD_152636
RA 253.988066
DEC -33.50683
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 21.874
HIERARCH ESO ISS PBL12 END 22.008
HIERARCH ESO ISS PBLA12 START 128.1
HIERARCH ESO ISS PBLA12 END 128.3
HIERARCH ESO ISS PBL13 START 29.051
HIERARCH ESO ISS PBL13 END 29.181
HIERARCH ESO ISS PBLA13 START 45.8
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 18.555
HIERARCH ESO ISS PBL14 END 18.727
HIERARCH ESO ISS PBLA14 START 96.948
HIERARCH ESO ISS PBLA14 END 97.394
HIERARCH ESO ISS PBL23 START 33.926
HIERARCH ESO ISS PBL23 END 33.928
HIERARCH ESO ISS PBLA23 START 6.1
HIERARCH ESO ISS PBLA23 END 6.6
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 6.06
HIERARCH ESO ISS PBLA24 END 6.589
HIERARCH ESO ISS PBL34 START 22.625
HIERARCH ESO ISS PBL34 END 22.626
HIERARCH ESO ISS PBLA34 START 186.112
HIERARCH ESO ISS PBLA34 END 186.641
HIERARCH ESO ISS AMBI TAU0 START 0.005601
HIERARCH ESO ISS AMBI TAU0 END 0.005741
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.71