Exposure
- ID
- GRAVI.2021-06-25T02:06:45.084_2
- Header ID
- GRAVI.2021-06-25T02:06:45.084
- Date updated
- 2021-06-25 02:20:19 UTC+0000
- Release date
- 2022-06-25 02:20:19 UTC+0000
- UTC Start
- 2021-06-25 02:06:45.084
- UTC End
- 2021-06-25 02:12:05.084
- MJD Start
- 59390.08802181
- MJD End
- 59390.0917255137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055125
- Ambient temperature (°C)
- 10.59
- Seeing (arcsec)
- 0.535
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 | 56.3550 | 56.3740 | 10.0000 | 10.8000 |
| U1-U3 | 101.4710 | 101.5540 | 15.6000 | 16.5000 |
| U1-U4 | 122.5400 | 123.1760 | 41.8560 | 42.8770 |
| U2-U3 | 45.7220 | 45.7990 | 22.6000 | 23.5000 |
| U2-U4 | 80.3680 | 81.1240 | 63.5690 | 64.5250 |
| U3-U4 | 54.7900 | 55.4290 | 96.7570 | 97.3700 |
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 | 59390.08802181 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41688 |
| DEC | -29.00716 |
| 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 | 56.355 |
| HIERARCH ESO ISS PBL12 END | 56.374 |
| HIERARCH ESO ISS PBLA12 START | 10.0 |
| HIERARCH ESO ISS PBLA12 END | 10.8 |
| HIERARCH ESO ISS PBL13 START | 101.471 |
| HIERARCH ESO ISS PBL13 END | 101.554 |
| HIERARCH ESO ISS PBLA13 START | 15.6 |
| HIERARCH ESO ISS PBLA13 END | 16.5 |
| HIERARCH ESO ISS PBL14 START | 122.54 |
| HIERARCH ESO ISS PBL14 END | 123.176 |
| HIERARCH ESO ISS PBLA14 START | 41.856 |
| HIERARCH ESO ISS PBLA14 END | 42.877 |
| HIERARCH ESO ISS PBL23 START | 45.722 |
| HIERARCH ESO ISS PBL23 END | 45.799 |
| HIERARCH ESO ISS PBLA23 START | 22.6 |
| HIERARCH ESO ISS PBLA23 END | 23.5 |
| HIERARCH ESO ISS PBL24 START | 80.368 |
| HIERARCH ESO ISS PBL24 END | 81.124 |
| HIERARCH ESO ISS PBLA24 START | 63.569 |
| HIERARCH ESO ISS PBLA24 END | 64.525 |
| HIERARCH ESO ISS PBL34 START | 54.79 |
| HIERARCH ESO ISS PBL34 END | 55.429 |
| HIERARCH ESO ISS PBLA34 START | 96.757 |
| HIERARCH ESO ISS PBLA34 END | 97.37 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006036 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004989 |
| HIERARCH ESO ISS AMBI TEMP | 10.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |