Exposure
- ID
- GRAVI.2025-04-04T08:13:07.279_2
- Header ID
- GRAVI.2025-04-04T08:13:07.279
- Date updated
- 2025-04-04 08:31:37 UTC+0000
- Release date
- 2025-04-04 08:31:36 UTC+0000
- UTC Start
- 2025-04-04 08:13:07.279
- UTC End
- 2025-04-04 08:19:47.279
- MJD Start
- 60769.34244536
- MJD End
- 60769.34707498963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006909
- Ambient temperature (°C)
- 14.06
- Seeing (arcsec)
- 0.505
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 | 25.0850 | 25.1490 | 136.1000 | 136.1000 |
| A0-D0 | 24.7750 | 25.3180 | 63.9000 | 64.6000 |
| A0-C1 | 20.7860 | 21.0250 | 113.9060 | 113.7370 |
| B2-D0 | 29.3800 | 29.4690 | 9.5000 | 10.6000 |
| B2-C1 | 9.7890 | 9.8180 | 9.4640 | 10.5650 |
| D0-C1 | 19.5910 | 19.6510 | 189.5290 | 190.6320 |
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 | 60769.34244536 |
| 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 | 25.085 |
| HIERARCH ESO ISS PBL12 END | 25.149 |
| HIERARCH ESO ISS PBLA12 START | 136.1 |
| HIERARCH ESO ISS PBLA12 END | 136.1 |
| HIERARCH ESO ISS PBL13 START | 24.775 |
| HIERARCH ESO ISS PBL13 END | 25.318 |
| HIERARCH ESO ISS PBLA13 START | 63.9 |
| HIERARCH ESO ISS PBLA13 END | 64.6 |
| HIERARCH ESO ISS PBL14 START | 20.786 |
| HIERARCH ESO ISS PBL14 END | 21.025 |
| HIERARCH ESO ISS PBLA14 START | 113.906 |
| HIERARCH ESO ISS PBLA14 END | 113.737 |
| HIERARCH ESO ISS PBL23 START | 29.38 |
| HIERARCH ESO ISS PBL23 END | 29.469 |
| HIERARCH ESO ISS PBLA23 START | 9.5 |
| HIERARCH ESO ISS PBLA23 END | 10.6 |
| HIERARCH ESO ISS PBL24 START | 9.789 |
| HIERARCH ESO ISS PBL24 END | 9.818 |
| HIERARCH ESO ISS PBLA24 START | 9.464 |
| HIERARCH ESO ISS PBLA24 END | 10.565 |
| HIERARCH ESO ISS PBL34 START | 19.591 |
| HIERARCH ESO ISS PBL34 END | 19.651 |
| HIERARCH ESO ISS PBLA34 START | 189.529 |
| HIERARCH ESO ISS PBLA34 END | 190.632 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006605 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007213 |
| HIERARCH ESO ISS AMBI TEMP | 14.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | 2MASS18422706-040101 |
| HIERARCH ESO FT ROBJ ALPHA | 184227.064 |
| HIERARCH ESO FT ROBJ DELTA | -040101.260 |