Exposure
ID
GRAVI.2025-04-29T06:31:55.328_1
Header ID
GRAVI.2025-04-29T06:31:55.328
Date updated
2025-04-29 06:41:00 UTC+0000
Release date
2025-04-29 06:31:55 UTC+0000
UTC Start
2025-04-29 06:31:55.328
UTC End
2025-04-29 06:34:35.328
MJD Start
60794.27216815
MJD End
60794.27402000185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005136
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.44
Observation
ID
67043
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
49851
Name
HD_162415
RA
268.068381
DEC
-31.32825
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 84.1140 84.4660 105.1000 105.4000
A0-J2 121.2380 121.7200 80.3000 80.7000
A0-K0 123.0990 123.4230 57.7920 58.2720
G1-J2 57.1140 57.1970 42.1000 42.6000
G1-K0 90.4700 90.4740 14.6920 15.0890
J2-K0 47.6630 47.6980 341.2300 341.4950
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 60794.27216815
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 162415
HIERARCH ESO INS SOBJ NAME HD_162415
RA 268.068381
DEC -31.32825
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 84.114
HIERARCH ESO ISS PBL12 END 84.466
HIERARCH ESO ISS PBLA12 START 105.1
HIERARCH ESO ISS PBLA12 END 105.4
HIERARCH ESO ISS PBL13 START 121.238
HIERARCH ESO ISS PBL13 END 121.72
HIERARCH ESO ISS PBLA13 START 80.3
HIERARCH ESO ISS PBLA13 END 80.7
HIERARCH ESO ISS PBL14 START 123.099
HIERARCH ESO ISS PBL14 END 123.423
HIERARCH ESO ISS PBLA14 START 57.792
HIERARCH ESO ISS PBLA14 END 58.272
HIERARCH ESO ISS PBL23 START 57.114
HIERARCH ESO ISS PBL23 END 57.197
HIERARCH ESO ISS PBLA23 START 42.1
HIERARCH ESO ISS PBLA23 END 42.6
HIERARCH ESO ISS PBL24 START 90.47
HIERARCH ESO ISS PBL24 END 90.474
HIERARCH ESO ISS PBLA24 START 14.692
HIERARCH ESO ISS PBLA24 END 15.089
HIERARCH ESO ISS PBL34 START 47.663
HIERARCH ESO ISS PBL34 END 47.698
HIERARCH ESO ISS PBLA34 START 341.23
HIERARCH ESO ISS PBLA34 END 341.495
HIERARCH ESO ISS AMBI TAU0 START 0.004555
HIERARCH ESO ISS AMBI TAU0 END 0.005717
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.39