Exposure
- ID
- GRAVI.2025-04-04T07:56:31.237_2
- Header ID
- GRAVI.2025-04-04T07:56:31.237
- Date updated
- 2025-04-04 08:11:04 UTC+0000
- Release date
- 2025-04-04 08:11:04 UTC+0000
- UTC Start
- 2025-04-04 07:56:31.237
- UTC End
- 2025-04-04 08:03:11.237
- MJD Start
- 60769.33091709
- MJD End
- 60769.33554671963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008427
- Ambient temperature (°C)
- 14.54
- Seeing (arcsec)
- 0.5549999999999999
Observation
- ID
- 66039
- Category
- science
- Program ID
- 110.24B5.003
- Program Title
- THE FORMATION OF MASSIVE BINARY STARS: A VIEW AT AU SCALES
- Program Type
- DDT
- PI / COI
- OUDMAIJER / KOUTOULAKI / KOUMPIA / FROST / DE WIT / GOODWIN / SHENTON / LUMSDEN
Target
- ID
- 44401
- Name
- 2MASS18422706-040101
- RA
- 280.61276666666663
- DEC
- -4.017016666666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 24.8900 | 24.9790 | 136.3000 | 136.2000 |
| A0-D0 | 23.4180 | 23.9940 | 62.0000 | 62.8000 |
| A0-C1 | 20.1510 | 20.4270 | 114.4130 | 114.1820 |
| B2-D0 | 29.2040 | 29.2700 | 6.8000 | 7.9000 |
| B2-C1 | 9.7300 | 9.7520 | 6.7710 | 7.9050 |
| D0-C1 | 19.4730 | 19.5180 | 186.8340 | 187.9690 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 110.24B5.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60769.33091709 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | G028.3271+00.1617 |
| HIERARCH ESO INS SOBJ NAME | G028.3271+00.1617 |
| RA | 280.612786 |
| DEC | -4.02097 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 24.89 |
| HIERARCH ESO ISS PBL12 END | 24.979 |
| HIERARCH ESO ISS PBLA12 START | 136.3 |
| HIERARCH ESO ISS PBLA12 END | 136.2 |
| HIERARCH ESO ISS PBL13 START | 23.418 |
| HIERARCH ESO ISS PBL13 END | 23.994 |
| HIERARCH ESO ISS PBLA13 START | 62.0 |
| HIERARCH ESO ISS PBLA13 END | 62.8 |
| HIERARCH ESO ISS PBL14 START | 20.151 |
| HIERARCH ESO ISS PBL14 END | 20.427 |
| HIERARCH ESO ISS PBLA14 START | 114.413 |
| HIERARCH ESO ISS PBLA14 END | 114.182 |
| HIERARCH ESO ISS PBL23 START | 29.204 |
| HIERARCH ESO ISS PBL23 END | 29.27 |
| HIERARCH ESO ISS PBLA23 START | 6.8 |
| HIERARCH ESO ISS PBLA23 END | 7.9 |
| HIERARCH ESO ISS PBL24 START | 9.73 |
| HIERARCH ESO ISS PBL24 END | 9.752 |
| HIERARCH ESO ISS PBLA24 START | 6.771 |
| HIERARCH ESO ISS PBLA24 END | 7.905 |
| HIERARCH ESO ISS PBL34 START | 19.473 |
| HIERARCH ESO ISS PBL34 END | 19.518 |
| HIERARCH ESO ISS PBLA34 START | 186.834 |
| HIERARCH ESO ISS PBLA34 END | 187.969 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0084 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008454 |
| HIERARCH ESO ISS AMBI TEMP | 14.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | 2MASS18422706-040101 |
| HIERARCH ESO FT ROBJ ALPHA | 184227.064 |
| HIERARCH ESO FT ROBJ DELTA | -040101.260 |