Exposure
- ID
- GRAVI.2023-07-01T02:35:35.865_2
- Header ID
- GRAVI.2023-07-01T02:35:35.865
- Date updated
- 2023-07-01 02:50:39 UTC+0000
- Release date
- 2024-07-01 02:50:39 UTC+0000
- UTC Start
- 2023-07-01 02:35:35.865
- UTC End
- 2023-07-01 02:41:35.865
- MJD Start
- 60126.10805399
- MJD End
- 60126.1122206567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007516
- Ambient temperature (°C)
- 19.7
- Seeing (arcsec)
- 0.58
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 | 56.5140 | 56.5290 | 16.8000 | 17.7000 |
| U1-U3 | 102.1580 | 102.2270 | 22.9000 | 23.8000 |
| U1-U4 | 127.4580 | 127.9440 | 50.1810 | 51.1460 |
| U2-U3 | 46.3450 | 46.4070 | 30.3000 | 31.2000 |
| U2-U4 | 86.0470 | 86.5960 | 71.3420 | 72.2480 |
| U3-U4 | 59.4760 | 59.9200 | 102.1240 | 102.8160 |
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 | 60126.10805399 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| DEC | -29.00732 |
| 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 | 56.514 |
| HIERARCH ESO ISS PBL12 END | 56.529 |
| HIERARCH ESO ISS PBLA12 START | 16.8 |
| HIERARCH ESO ISS PBLA12 END | 17.7 |
| HIERARCH ESO ISS PBL13 START | 102.158 |
| HIERARCH ESO ISS PBL13 END | 102.227 |
| HIERARCH ESO ISS PBLA13 START | 22.9 |
| HIERARCH ESO ISS PBLA13 END | 23.8 |
| HIERARCH ESO ISS PBL14 START | 127.458 |
| HIERARCH ESO ISS PBL14 END | 127.944 |
| HIERARCH ESO ISS PBLA14 START | 50.181 |
| HIERARCH ESO ISS PBLA14 END | 51.146 |
| HIERARCH ESO ISS PBL23 START | 46.345 |
| HIERARCH ESO ISS PBL23 END | 46.407 |
| HIERARCH ESO ISS PBLA23 START | 30.3 |
| HIERARCH ESO ISS PBLA23 END | 31.2 |
| HIERARCH ESO ISS PBL24 START | 86.047 |
| HIERARCH ESO ISS PBL24 END | 86.596 |
| HIERARCH ESO ISS PBLA24 START | 71.342 |
| HIERARCH ESO ISS PBLA24 END | 72.248 |
| HIERARCH ESO ISS PBL34 START | 59.476 |
| HIERARCH ESO ISS PBL34 END | 59.92 |
| HIERARCH ESO ISS PBLA34 START | 102.124 |
| HIERARCH ESO ISS PBLA34 END | 102.816 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007516 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007516 |
| HIERARCH ESO ISS AMBI TEMP | 19.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |