Exposure
- ID
- GRAVI.2023-07-04T02:27:36.658_2
- Header ID
- GRAVI.2023-07-04T02:27:36.658
- Date updated
- 2023-07-04 02:41:17 UTC+0000
- Release date
- 2024-07-04 02:41:16 UTC+0000
- UTC Start
- 2023-07-04 02:27:36.658
- UTC End
- 2023-07-04 02:33:36.658
- MJD Start
- 60129.10250762
- MJD End
- 60129.1066742867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003744
- Ambient temperature (°C)
- 12.25
- Seeing (arcsec)
- 1.01
Observation
- ID
- 56080
- Category
- science
- Program ID
- 111.24H1.003
- 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 | 56.5230 | 56.5370 | 17.3000 | 18.2000 |
| U1-U3 | 102.1990 | 102.2640 | 23.4000 | 24.3000 |
| U1-U4 | 127.7480 | 128.2130 | 50.7500 | 51.7070 |
| U2-U3 | 46.3820 | 46.4420 | 30.8000 | 31.7000 |
| U2-U4 | 86.3750 | 86.9000 | 71.8760 | 72.7760 |
| U3-U4 | 59.7420 | 60.1670 | 102.5300 | 103.2270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60129.10250762 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.523 |
| HIERARCH ESO ISS PBL12 END | 56.537 |
| HIERARCH ESO ISS PBLA12 START | 17.3 |
| HIERARCH ESO ISS PBLA12 END | 18.2 |
| HIERARCH ESO ISS PBL13 START | 102.199 |
| HIERARCH ESO ISS PBL13 END | 102.264 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.3 |
| HIERARCH ESO ISS PBL14 START | 127.748 |
| HIERARCH ESO ISS PBL14 END | 128.213 |
| HIERARCH ESO ISS PBLA14 START | 50.75 |
| HIERARCH ESO ISS PBLA14 END | 51.707 |
| HIERARCH ESO ISS PBL23 START | 46.382 |
| HIERARCH ESO ISS PBL23 END | 46.442 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 31.7 |
| HIERARCH ESO ISS PBL24 START | 86.375 |
| HIERARCH ESO ISS PBL24 END | 86.9 |
| HIERARCH ESO ISS PBLA24 START | 71.876 |
| HIERARCH ESO ISS PBLA24 END | 72.776 |
| HIERARCH ESO ISS PBL34 START | 59.742 |
| HIERARCH ESO ISS PBL34 END | 60.167 |
| HIERARCH ESO ISS PBLA34 START | 102.53 |
| HIERARCH ESO ISS PBLA34 END | 103.227 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003744 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003744 |
| HIERARCH ESO ISS AMBI TEMP | 12.25 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |