Exposure
- ID
- GRAVI.2023-06-07T04:41:24.750_2
- Header ID
- GRAVI.2023-06-07T04:41:24.750
- Date updated
- 2023-06-07 04:55:21 UTC+0000
- Release date
- 2024-06-07 04:55:21 UTC+0000
- UTC Start
- 2023-06-07 04:41:24.750
- UTC End
- 2023-06-07 04:47:24.750
- MJD Start
- 60102.19542535
- MJD End
- 60102.1995920167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009867
- Ambient temperature (°C)
- 15.16
- Seeing (arcsec)
- 0.555
Observation
- ID
- 55616
- Category
- science
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
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 | 56.5600 | 56.5580 | 20.8000 | 21.6000 |
| U1-U3 | 102.4080 | 102.4280 | 27.0000 | 27.8000 |
| U1-U4 | 129.4130 | 129.6790 | 54.6800 | 55.5540 |
| U2-U3 | 46.5870 | 46.6140 | 34.6000 | 35.4000 |
| U2-U4 | 88.2790 | 88.5960 | 75.6090 | 76.4480 |
| U3-U4 | 61.2980 | 61.5670 | 105.5300 | 106.2460 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60102.19542535 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416567 |
| DEC | -29.00724 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.56 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 20.8 |
| HIERARCH ESO ISS PBLA12 END | 21.6 |
| HIERARCH ESO ISS PBL13 START | 102.408 |
| HIERARCH ESO ISS PBL13 END | 102.428 |
| HIERARCH ESO ISS PBLA13 START | 27.0 |
| HIERARCH ESO ISS PBLA13 END | 27.8 |
| HIERARCH ESO ISS PBL14 START | 129.413 |
| HIERARCH ESO ISS PBL14 END | 129.679 |
| HIERARCH ESO ISS PBLA14 START | 54.68 |
| HIERARCH ESO ISS PBLA14 END | 55.554 |
| HIERARCH ESO ISS PBL23 START | 46.587 |
| HIERARCH ESO ISS PBL23 END | 46.614 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 35.4 |
| HIERARCH ESO ISS PBL24 START | 88.279 |
| HIERARCH ESO ISS PBL24 END | 88.596 |
| HIERARCH ESO ISS PBLA24 START | 75.609 |
| HIERARCH ESO ISS PBLA24 END | 76.448 |
| HIERARCH ESO ISS PBL34 START | 61.298 |
| HIERARCH ESO ISS PBL34 END | 61.567 |
| HIERARCH ESO ISS PBLA34 START | 105.53 |
| HIERARCH ESO ISS PBLA34 END | 106.246 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008938 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010796 |
| HIERARCH ESO ISS AMBI TEMP | 15.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |