Exposure
- ID
- GRAVI.2021-05-30T06:13:56.444_2
- Header ID
- GRAVI.2021-05-30T06:13:56.444
- Date updated
- 2021-05-30 06:30:50 UTC+0000
- Release date
- 2022-05-30 06:30:50 UTC+0000
- UTC Start
- 2021-05-30 06:13:56.444
- UTC End
- 2021-05-30 06:19:16.444
- MJD Start
- 59364.25968106
- MJD End
- 59364.2633847637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007336
- Ambient temperature (°C)
- 9.91
- Seeing (arcsec)
- 0.575
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- 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 | 56.2850 | 56.2250 | 27.9000 | 28.5000 |
| U1-U3 | 101.9150 | 101.7790 | 34.3000 | 34.9000 |
| U1-U4 | 129.6160 | 129.3510 | 62.4600 | 63.0900 |
| U2-U3 | 46.4000 | 46.3250 | 42.0000 | 42.6000 |
| U2-U4 | 89.1660 | 88.9960 | 83.4360 | 84.1130 |
| U3-U4 | 62.4360 | 62.3810 | 112.8820 | 113.5930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.25968106 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| 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 | 56.285 |
| HIERARCH ESO ISS PBL12 END | 56.225 |
| HIERARCH ESO ISS PBLA12 START | 27.9 |
| HIERARCH ESO ISS PBLA12 END | 28.5 |
| HIERARCH ESO ISS PBL13 START | 101.915 |
| HIERARCH ESO ISS PBL13 END | 101.779 |
| HIERARCH ESO ISS PBLA13 START | 34.3 |
| HIERARCH ESO ISS PBLA13 END | 34.9 |
| HIERARCH ESO ISS PBL14 START | 129.616 |
| HIERARCH ESO ISS PBL14 END | 129.351 |
| HIERARCH ESO ISS PBLA14 START | 62.46 |
| HIERARCH ESO ISS PBLA14 END | 63.09 |
| HIERARCH ESO ISS PBL23 START | 46.4 |
| HIERARCH ESO ISS PBL23 END | 46.325 |
| HIERARCH ESO ISS PBLA23 START | 42.0 |
| HIERARCH ESO ISS PBLA23 END | 42.6 |
| HIERARCH ESO ISS PBL24 START | 89.166 |
| HIERARCH ESO ISS PBL24 END | 88.996 |
| HIERARCH ESO ISS PBLA24 START | 83.436 |
| HIERARCH ESO ISS PBLA24 END | 84.113 |
| HIERARCH ESO ISS PBL34 START | 62.436 |
| HIERARCH ESO ISS PBL34 END | 62.381 |
| HIERARCH ESO ISS PBLA34 START | 112.882 |
| HIERARCH ESO ISS PBLA34 END | 113.593 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007419 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007253 |
| HIERARCH ESO ISS AMBI TEMP | 9.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| 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 |