Exposure
- ID
- GRAVI.2021-06-25T02:20:12.118_2
- Header ID
- GRAVI.2021-06-25T02:20:12.118
- Date updated
- 2021-06-25 02:35:45 UTC+0000
- Release date
- 2022-06-25 02:35:45 UTC+0000
- UTC Start
- 2021-06-25 02:20:12.118
- UTC End
- 2021-06-25 02:25:32.118
- MJD Start
- 59390.09736248
- MJD End
- 59390.1010661837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005016
- Ambient temperature (°C)
- 10.62
- 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 | 56.3990 | 56.4190 | 11.9000 | 12.7000 |
| U1-U3 | 101.6660 | 101.7490 | 17.6000 | 18.5000 |
| U1-U4 | 124.0110 | 124.6080 | 44.2240 | 45.2000 |
| U2-U3 | 45.9030 | 45.9780 | 24.7000 | 25.6000 |
| U2-U4 | 82.1050 | 82.8000 | 65.7850 | 66.6940 |
| U3-U4 | 56.2490 | 56.8260 | 98.1950 | 98.8050 |
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 | 59390.09736248 |
| 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 | 56.399 |
| HIERARCH ESO ISS PBL12 END | 56.419 |
| HIERARCH ESO ISS PBLA12 START | 11.9 |
| HIERARCH ESO ISS PBLA12 END | 12.7 |
| HIERARCH ESO ISS PBL13 START | 101.666 |
| HIERARCH ESO ISS PBL13 END | 101.749 |
| HIERARCH ESO ISS PBLA13 START | 17.6 |
| HIERARCH ESO ISS PBLA13 END | 18.5 |
| HIERARCH ESO ISS PBL14 START | 124.011 |
| HIERARCH ESO ISS PBL14 END | 124.608 |
| HIERARCH ESO ISS PBLA14 START | 44.224 |
| HIERARCH ESO ISS PBLA14 END | 45.2 |
| HIERARCH ESO ISS PBL23 START | 45.903 |
| HIERARCH ESO ISS PBL23 END | 45.978 |
| HIERARCH ESO ISS PBLA23 START | 24.7 |
| HIERARCH ESO ISS PBLA23 END | 25.6 |
| HIERARCH ESO ISS PBL24 START | 82.105 |
| HIERARCH ESO ISS PBL24 END | 82.8 |
| HIERARCH ESO ISS PBLA24 START | 65.785 |
| HIERARCH ESO ISS PBLA24 END | 66.694 |
| HIERARCH ESO ISS PBL34 START | 56.249 |
| HIERARCH ESO ISS PBL34 END | 56.826 |
| HIERARCH ESO ISS PBLA34 START | 98.195 |
| HIERARCH ESO ISS PBLA34 END | 98.805 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004982 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00505 |
| HIERARCH ESO ISS AMBI TEMP | 10.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |