Exposure
- ID
- GRAVI.2021-06-25T01:59:54.067_2
- Header ID
- GRAVI.2021-06-25T01:59:54.067
- Date updated
- 2021-06-25 02:15:34 UTC+0000
- Release date
- 2022-06-25 02:15:33 UTC+0000
- UTC Start
- 2021-06-25 01:59:54.067
- UTC End
- 2021-06-25 02:05:14.067
- MJD Start
- 59390.08326466
- MJD End
- 59390.0869683637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053105
- Ambient temperature (°C)
- 10.6
- Seeing (arcsec)
- 0.56
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 | 56.3340 | 56.3520 | 9.1000 | 9.9000 |
| U1-U3 | 101.3730 | 101.4550 | 14.6000 | 15.5000 |
| U1-U4 | 121.7660 | 122.4180 | 40.6130 | 41.6610 |
| U2-U3 | 45.6300 | 45.7070 | 21.5000 | 22.4000 |
| U2-U4 | 79.4350 | 80.2220 | 62.3990 | 63.3860 |
| U3-U4 | 53.9940 | 54.6660 | 96.0230 | 96.6410 |
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 | 59390.08326466 |
| 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 | 56.334 |
| HIERARCH ESO ISS PBL12 END | 56.352 |
| HIERARCH ESO ISS PBLA12 START | 9.1 |
| HIERARCH ESO ISS PBLA12 END | 9.9 |
| HIERARCH ESO ISS PBL13 START | 101.373 |
| HIERARCH ESO ISS PBL13 END | 101.455 |
| HIERARCH ESO ISS PBLA13 START | 14.6 |
| HIERARCH ESO ISS PBLA13 END | 15.5 |
| HIERARCH ESO ISS PBL14 START | 121.766 |
| HIERARCH ESO ISS PBL14 END | 122.418 |
| HIERARCH ESO ISS PBLA14 START | 40.613 |
| HIERARCH ESO ISS PBLA14 END | 41.661 |
| HIERARCH ESO ISS PBL23 START | 45.63 |
| HIERARCH ESO ISS PBL23 END | 45.707 |
| HIERARCH ESO ISS PBLA23 START | 21.5 |
| HIERARCH ESO ISS PBLA23 END | 22.4 |
| HIERARCH ESO ISS PBL24 START | 79.435 |
| HIERARCH ESO ISS PBL24 END | 80.222 |
| HIERARCH ESO ISS PBLA24 START | 62.399 |
| HIERARCH ESO ISS PBLA24 END | 63.386 |
| HIERARCH ESO ISS PBL34 START | 53.994 |
| HIERARCH ESO ISS PBL34 END | 54.666 |
| HIERARCH ESO ISS PBLA34 START | 96.023 |
| HIERARCH ESO ISS PBLA34 END | 96.641 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005171 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00545 |
| HIERARCH ESO ISS AMBI TEMP | 10.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |