Exposure
- ID
- GRAVI.2025-08-03T07:44:36.155_2
- Header ID
- GRAVI.2025-08-03T07:44:36.155
- Date updated
- 2025-08-03 07:55:49 UTC+0000
- Release date
- 2026-01-30 07:55:49 UTC+0000
- UTC Start
- 2025-08-03 07:44:36.155
- UTC End
- 2025-08-03 07:47:16.155
- MJD Start
- 60890.32264068
- MJD End
- 60890.32449253186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036515000000000002
- Ambient temperature (°C)
- 9.64
- Seeing (arcsec)
- 0.76
Observation
- ID
- 68999
- Category
- science
- Program ID
- 115.27YJ.005
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS AND BINARIES WITH GRAVITY
- Program Type
- GTO
- PI / COI
- BOURDAROT / EISENHAUER / KERVELLA / LACOUR / PERRIN / GILLESSEN / PFUHL / PAUMARD / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / HOENIG / WIDMANN / ROUSSELET-PERRAUT / STURM / SHANGGUAN / MÉRAND / SHIMIZU
Target
- ID
- 51330
- Name
- HD142A
- RA
- 1.5798970833333332
- DEC
- -49.07518630555556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.2490 | 88.4040 | 111.2000 | 111.7000 |
| A0-J2 | 128.9520 | 129.0200 | 89.5000 | 90.1000 |
| A0-K0 | 127.4550 | 127.3600 | 69.6650 | 70.2030 |
| G1-J2 | 57.0740 | 56.9930 | 54.8000 | 55.3000 |
| G1-K0 | 84.7550 | 84.6360 | 26.0480 | 26.4390 |
| J2-K0 | 44.2830 | 44.3190 | 347.7010 | 348.0410 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60890.32264068 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581395 |
| DEC | -49.07593 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| 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 | 88.249 |
| HIERARCH ESO ISS PBL12 END | 88.404 |
| HIERARCH ESO ISS PBLA12 START | 111.2 |
| HIERARCH ESO ISS PBLA12 END | 111.7 |
| HIERARCH ESO ISS PBL13 START | 128.952 |
| HIERARCH ESO ISS PBL13 END | 129.02 |
| HIERARCH ESO ISS PBLA13 START | 89.5 |
| HIERARCH ESO ISS PBLA13 END | 90.1 |
| HIERARCH ESO ISS PBL14 START | 127.455 |
| HIERARCH ESO ISS PBL14 END | 127.36 |
| HIERARCH ESO ISS PBLA14 START | 69.665 |
| HIERARCH ESO ISS PBLA14 END | 70.203 |
| HIERARCH ESO ISS PBL23 START | 57.074 |
| HIERARCH ESO ISS PBL23 END | 56.993 |
| HIERARCH ESO ISS PBLA23 START | 54.8 |
| HIERARCH ESO ISS PBLA23 END | 55.3 |
| HIERARCH ESO ISS PBL24 START | 84.755 |
| HIERARCH ESO ISS PBL24 END | 84.636 |
| HIERARCH ESO ISS PBLA24 START | 26.048 |
| HIERARCH ESO ISS PBLA24 END | 26.439 |
| HIERARCH ESO ISS PBL34 START | 44.283 |
| HIERARCH ESO ISS PBL34 END | 44.319 |
| HIERARCH ESO ISS PBLA34 START | 347.701 |
| HIERARCH ESO ISS PBLA34 END | 348.041 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003784 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003519 |
| HIERARCH ESO ISS AMBI TEMP | 9.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6707 |