Exposure
- ID
- GRAVI.2025-01-18T08:09:22.817_2
- Header ID
- GRAVI.2025-01-18T08:09:22.817
- Date updated
- 2025-01-18 08:25:24 UTC+0000
- Release date
- 2026-01-18 08:25:24 UTC+0000
- UTC Start
- 2025-01-18 08:09:22.817
- UTC End
- 2025-01-18 08:16:02.817
- MJD Start
- 60693.33984742
- MJD End
- 60693.34447704963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0079605
- Ambient temperature (°C)
- 11.51
- Seeing (arcsec)
- 0.76
Observation
- ID
- 58959
- Category
- science
- Program ID
- 113.26B4.001
- Program Title
- MONITORING OF A MULTIPLE PLANETARY SYSTEM IN A YOUNG TRANSITION DISK AROUND A SOLAR TWIN
- Program Type
- Normal
- PI / COI
- TREVASCUS / BRANDNER / LACOUR / VIGAN / WANG / KREIDBERG / RICKMAN / BALMER / KAMMERER / CHAUVIN / SANCHEZ / SAUTER / BONNEFOY / HINKLEY
Target
- ID
- 43644
- Name
- PDS70
- RA
- 212.04231249999995
- DEC
- -41.397936944444446
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1990 | 56.1870 | 4.1000 | 5.1000 |
| U1-U3 | 102.3360 | 102.3180 | 9.0000 | 10.1000 |
| U1-U4 | 125.8780 | 126.2710 | 31.3030 | 32.7460 |
| U2-U3 | 46.6030 | 46.6130 | 15.0000 | 16.2000 |
| U2-U4 | 80.1430 | 80.8320 | 50.0150 | 51.5730 |
| U3-U4 | 49.7420 | 50.5850 | 82.5050 | 83.7780 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26B4.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60693.33984742 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | PDS70 |
| HIERARCH ESO INS SOBJ NAME | PDS70 |
| RA | 212.045411 |
| DEC | -41.39826 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.199 |
| HIERARCH ESO ISS PBL12 END | 56.187 |
| HIERARCH ESO ISS PBLA12 START | 4.1 |
| HIERARCH ESO ISS PBLA12 END | 5.1 |
| HIERARCH ESO ISS PBL13 START | 102.336 |
| HIERARCH ESO ISS PBL13 END | 102.318 |
| HIERARCH ESO ISS PBLA13 START | 9.0 |
| HIERARCH ESO ISS PBLA13 END | 10.1 |
| HIERARCH ESO ISS PBL14 START | 125.878 |
| HIERARCH ESO ISS PBL14 END | 126.271 |
| HIERARCH ESO ISS PBLA14 START | 31.303 |
| HIERARCH ESO ISS PBLA14 END | 32.746 |
| HIERARCH ESO ISS PBL23 START | 46.603 |
| HIERARCH ESO ISS PBL23 END | 46.613 |
| HIERARCH ESO ISS PBLA23 START | 15.0 |
| HIERARCH ESO ISS PBLA23 END | 16.2 |
| HIERARCH ESO ISS PBL24 START | 80.143 |
| HIERARCH ESO ISS PBL24 END | 80.832 |
| HIERARCH ESO ISS PBLA24 START | 50.015 |
| HIERARCH ESO ISS PBLA24 END | 51.573 |
| HIERARCH ESO ISS PBL34 START | 49.742 |
| HIERARCH ESO ISS PBL34 END | 50.585 |
| HIERARCH ESO ISS PBLA34 START | 82.505 |
| HIERARCH ESO ISS PBLA34 END | 83.778 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008194 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007727 |
| HIERARCH ESO ISS AMBI TEMP | 11.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | PDS70 |
| HIERARCH ESO FT ROBJ ALPHA | 140810.155 |
| HIERARCH ESO FT ROBJ DELTA | -412352.573 |