Exposure
- ID
- GRAVI.2021-06-25T04:45:27.484_2
- Header ID
- GRAVI.2021-06-25T04:45:27.484
- Date updated
- 2021-06-25 05:00:15 UTC+0000
- Release date
- 2022-06-25 05:00:14 UTC+0000
- UTC Start
- 2021-06-25 04:45:27.484
- UTC End
- 2021-06-25 04:50:47.484
- MJD Start
- 59390.19823477
- MJD End
- 59390.2019384737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0075005
- Ambient temperature (°C)
- 10.72
- Seeing (arcsec)
- 0.395
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 | 56.1280 | 56.0490 | 29.3000 | 29.8000 |
| U1-U3 | 101.5590 | 101.3780 | 35.7000 | 36.2000 |
| U1-U4 | 128.8930 | 128.5010 | 63.9570 | 64.5710 |
| U2-U3 | 46.2020 | 46.0990 | 43.4000 | 44.0000 |
| U2-U4 | 88.6870 | 88.4140 | 85.0630 | 85.7470 |
| U3-U4 | 62.2620 | 62.1480 | 114.6100 | 115.3570 |
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 | 59390.19823477 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416593 |
| 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 | 56.128 |
| HIERARCH ESO ISS PBL12 END | 56.049 |
| HIERARCH ESO ISS PBLA12 START | 29.3 |
| HIERARCH ESO ISS PBLA12 END | 29.8 |
| HIERARCH ESO ISS PBL13 START | 101.559 |
| HIERARCH ESO ISS PBL13 END | 101.378 |
| HIERARCH ESO ISS PBLA13 START | 35.7 |
| HIERARCH ESO ISS PBLA13 END | 36.2 |
| HIERARCH ESO ISS PBL14 START | 128.893 |
| HIERARCH ESO ISS PBL14 END | 128.501 |
| HIERARCH ESO ISS PBLA14 START | 63.957 |
| HIERARCH ESO ISS PBLA14 END | 64.571 |
| HIERARCH ESO ISS PBL23 START | 46.202 |
| HIERARCH ESO ISS PBL23 END | 46.099 |
| HIERARCH ESO ISS PBLA23 START | 43.4 |
| HIERARCH ESO ISS PBLA23 END | 44.0 |
| HIERARCH ESO ISS PBL24 START | 88.687 |
| HIERARCH ESO ISS PBL24 END | 88.414 |
| HIERARCH ESO ISS PBLA24 START | 85.063 |
| HIERARCH ESO ISS PBLA24 END | 85.747 |
| HIERARCH ESO ISS PBL34 START | 62.262 |
| HIERARCH ESO ISS PBL34 END | 62.148 |
| HIERARCH ESO ISS PBLA34 START | 114.61 |
| HIERARCH ESO ISS PBLA34 END | 115.357 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007229 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007772 |
| HIERARCH ESO ISS AMBI TEMP | 10.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |