Exposure
- ID
- GRAVI.2024-04-30T08:25:32.124_2
- Header ID
- GRAVI.2024-04-30T08:25:32.124
- Date updated
- 2024-04-30 08:40:33 UTC+0000
- Release date
- 2025-04-30 08:40:32 UTC+0000
- UTC Start
- 2024-04-30 08:25:32.124
- UTC End
- 2024-04-30 08:31:32.124
- MJD Start
- 60430.35106625
- MJD End
- 60430.3552329167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005016
- Ambient temperature (°C)
- 15.06
- Seeing (arcsec)
- 0.5
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.1160 | 56.0260 | 29.4000 | 30.0000 |
| U1-U3 | 101.5330 | 101.3250 | 35.7000 | 36.4000 |
| U1-U4 | 128.8380 | 128.3860 | 64.0450 | 64.7330 |
| U2-U3 | 46.1870 | 46.0700 | 43.5000 | 44.1000 |
| U2-U4 | 88.6500 | 88.3330 | 85.1610 | 85.9300 |
| U3-U4 | 62.2470 | 62.1130 | 114.7170 | 115.5590 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60430.35106625 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| DEC | -29.00736 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.116 |
| HIERARCH ESO ISS PBL12 END | 56.026 |
| HIERARCH ESO ISS PBLA12 START | 29.4 |
| HIERARCH ESO ISS PBLA12 END | 30.0 |
| HIERARCH ESO ISS PBL13 START | 101.533 |
| HIERARCH ESO ISS PBL13 END | 101.325 |
| HIERARCH ESO ISS PBLA13 START | 35.7 |
| HIERARCH ESO ISS PBLA13 END | 36.4 |
| HIERARCH ESO ISS PBL14 START | 128.838 |
| HIERARCH ESO ISS PBL14 END | 128.386 |
| HIERARCH ESO ISS PBLA14 START | 64.045 |
| HIERARCH ESO ISS PBLA14 END | 64.733 |
| HIERARCH ESO ISS PBL23 START | 46.187 |
| HIERARCH ESO ISS PBL23 END | 46.07 |
| HIERARCH ESO ISS PBLA23 START | 43.5 |
| HIERARCH ESO ISS PBLA23 END | 44.1 |
| HIERARCH ESO ISS PBL24 START | 88.65 |
| HIERARCH ESO ISS PBL24 END | 88.333 |
| HIERARCH ESO ISS PBLA24 START | 85.161 |
| HIERARCH ESO ISS PBLA24 END | 85.93 |
| HIERARCH ESO ISS PBL34 START | 62.247 |
| HIERARCH ESO ISS PBL34 END | 62.113 |
| HIERARCH ESO ISS PBLA34 START | 114.717 |
| HIERARCH ESO ISS PBLA34 END | 115.559 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005478 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004554 |
| HIERARCH ESO ISS AMBI TEMP | 15.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |