Exposure
ID
GRAVI.2021-01-17T05:26:48.995_1
Header ID
GRAVI.2021-01-17T05:26:48.995
Date updated
2021-01-17 05:41:11 UTC+0000
Release date
2022-01-17 05:41:11 UTC+0000
UTC Start
2021-01-17 05:26:48.995
UTC End
2021-01-17 05:30:48.995
MJD Start
59231.22695596
MJD End
59231.2297337378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0052935
Ambient temperature (°C)
11.68
Seeing (arcsec)
0.615
Observation
ID
46385
Category
science
Program ID
106.210E.002
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I BIS
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ M\XC3\XA9RAND/ GIEREN
Target
ID
34877
Name
HD41255
RA
90.823375
DEC
-16.04328
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.5420 74.8900 133.4000 134.2000
A0-J2 105.0680 103.7520 105.3000 105.8000
A0-J3 123.0400 122.3190 53.6600 53.7080
G1-J2 52.3980 51.9870 62.5000 62.5000
G1-J3 132.4040 132.4070 19.5030 19.8020
J2-J3 100.6060 100.5980 358.7130 359.2770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.210E.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59231.22695596
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD_41255
HIERARCH ESO INS SOBJ NAME HD41255
RA 90.823375
DEC -16.04328
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
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 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 75.542
HIERARCH ESO ISS PBL12 END 74.89
HIERARCH ESO ISS PBLA12 START 133.4
HIERARCH ESO ISS PBLA12 END 134.2
HIERARCH ESO ISS PBL13 START 105.068
HIERARCH ESO ISS PBL13 END 103.752
HIERARCH ESO ISS PBLA13 START 105.3
HIERARCH ESO ISS PBLA13 END 105.8
HIERARCH ESO ISS PBL14 START 123.04
HIERARCH ESO ISS PBL14 END 122.319
HIERARCH ESO ISS PBLA14 START 53.66
HIERARCH ESO ISS PBLA14 END 53.708
HIERARCH ESO ISS PBL23 START 52.398
HIERARCH ESO ISS PBL23 END 51.987
HIERARCH ESO ISS PBLA23 START 62.5
HIERARCH ESO ISS PBLA23 END 62.5
HIERARCH ESO ISS PBL24 START 132.404
HIERARCH ESO ISS PBL24 END 132.407
HIERARCH ESO ISS PBLA24 START 19.503
HIERARCH ESO ISS PBLA24 END 19.802
HIERARCH ESO ISS PBL34 START 100.606
HIERARCH ESO ISS PBL34 END 100.598
HIERARCH ESO ISS PBLA34 START 358.713
HIERARCH ESO ISS PBLA34 END 359.277
HIERARCH ESO ISS AMBI TAU0 START 0.005384
HIERARCH ESO ISS AMBI TAU0 END 0.005203
HIERARCH ESO ISS AMBI TEMP 11.68
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.65