Exposure
- ID
- GRAVI.2021-06-25T05:47:33.641_2
- Header ID
- GRAVI.2021-06-25T05:47:33.641
- Date updated
- 2021-06-25 06:00:24 UTC+0000
- Release date
- 2022-06-25 06:00:24 UTC+0000
- UTC Start
- 2021-06-25 05:47:33.641
- UTC End
- 2021-06-25 05:52:53.641
- MJD Start
- 59390.24136158
- MJD End
- 59390.2450652837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004804
- Ambient temperature (°C)
- 10.17
- Seeing (arcsec)
- 0.71
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 | 54.8030 | 54.6240 | 34.7000 | 35.1000 |
| U1-U3 | 98.4860 | 98.0690 | 41.0000 | 41.4000 |
| U1-U4 | 121.8080 | 120.8320 | 70.1700 | 70.7040 |
| U2-U3 | 44.4330 | 44.1910 | 48.8000 | 49.3000 |
| U2-U4 | 83.4960 | 82.7730 | 92.5740 | 93.2990 |
| U3-U4 | 59.8670 | 59.5310 | 123.4380 | 124.3530 |
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 | 59390.24136158 |
| 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 | 54.803 |
| HIERARCH ESO ISS PBL12 END | 54.624 |
| HIERARCH ESO ISS PBLA12 START | 34.7 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 98.486 |
| HIERARCH ESO ISS PBL13 END | 98.069 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.4 |
| HIERARCH ESO ISS PBL14 START | 121.808 |
| HIERARCH ESO ISS PBL14 END | 120.832 |
| HIERARCH ESO ISS PBLA14 START | 70.17 |
| HIERARCH ESO ISS PBLA14 END | 70.704 |
| HIERARCH ESO ISS PBL23 START | 44.433 |
| HIERARCH ESO ISS PBL23 END | 44.191 |
| HIERARCH ESO ISS PBLA23 START | 48.8 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.496 |
| HIERARCH ESO ISS PBL24 END | 82.773 |
| HIERARCH ESO ISS PBLA24 START | 92.574 |
| HIERARCH ESO ISS PBLA24 END | 93.299 |
| HIERARCH ESO ISS PBL34 START | 59.867 |
| HIERARCH ESO ISS PBL34 END | 59.531 |
| HIERARCH ESO ISS PBLA34 START | 123.438 |
| HIERARCH ESO ISS PBLA34 END | 124.353 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00455 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005058 |
| HIERARCH ESO ISS AMBI TEMP | 10.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |