Exposure
- ID
- GRAVI.2021-06-25T06:23:45.731_2
- Header ID
- GRAVI.2021-06-25T06:23:45.731
- Date updated
- 2021-06-25 06:40:33 UTC+0000
- Release date
- 2022-06-25 06:40:33 UTC+0000
- UTC Start
- 2021-06-25 06:23:45.731
- UTC End
- 2021-06-25 06:29:05.731
- MJD Start
- 59390.26650152
- MJD End
- 59390.2702052237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006851
- Ambient temperature (°C)
- 10.38
- Seeing (arcsec)
- 0.51
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 53.4850 | 53.2360 | 37.2000 | 37.5000 |
| U1-U3 | 95.4370 | 94.8630 | 43.4000 | 43.8000 |
| U1-U4 | 114.7130 | 113.3910 | 73.4520 | 73.9550 |
| U2-U3 | 42.6760 | 42.3470 | 51.3000 | 51.7000 |
| U2-U4 | 78.2940 | 77.3370 | 97.3030 | 98.0960 |
| U3-U4 | 57.5100 | 57.0930 | 129.5500 | 130.5980 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59390.26650152 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.4168 |
| DEC | -29.00706 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 53.485 |
| HIERARCH ESO ISS PBL12 END | 53.236 |
| HIERARCH ESO ISS PBLA12 START | 37.2 |
| HIERARCH ESO ISS PBLA12 END | 37.5 |
| HIERARCH ESO ISS PBL13 START | 95.437 |
| HIERARCH ESO ISS PBL13 END | 94.863 |
| HIERARCH ESO ISS PBLA13 START | 43.4 |
| HIERARCH ESO ISS PBLA13 END | 43.8 |
| HIERARCH ESO ISS PBL14 START | 114.713 |
| HIERARCH ESO ISS PBL14 END | 113.391 |
| HIERARCH ESO ISS PBLA14 START | 73.452 |
| HIERARCH ESO ISS PBLA14 END | 73.955 |
| HIERARCH ESO ISS PBL23 START | 42.676 |
| HIERARCH ESO ISS PBL23 END | 42.347 |
| HIERARCH ESO ISS PBLA23 START | 51.3 |
| HIERARCH ESO ISS PBLA23 END | 51.7 |
| HIERARCH ESO ISS PBL24 START | 78.294 |
| HIERARCH ESO ISS PBL24 END | 77.337 |
| HIERARCH ESO ISS PBLA24 START | 97.303 |
| HIERARCH ESO ISS PBLA24 END | 98.096 |
| HIERARCH ESO ISS PBL34 START | 57.51 |
| HIERARCH ESO ISS PBL34 END | 57.093 |
| HIERARCH ESO ISS PBLA34 START | 129.55 |
| HIERARCH ESO ISS PBLA34 END | 130.598 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006344 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007358 |
| HIERARCH ESO ISS AMBI TEMP | 10.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |