RST·DATA

47 Ursae Majoris

r4186801014002_0002_cgi01 · CGI-TD-004 · CGI

planned

Procedural preview

Not sky data · awaiting first light

1:1 footprint

7.5′ across

0 sources drawn

Band

Stretch

Gain 1.00×

Drag to pan, scroll to zoom, double-click to zoom in. Arrow keys pan, + and zoom, 0 resets. Switching bands re-colours the same patch of sky rather than replacing it, so you can blink between filters the way you would with real multiband imaging.

About this field

A Sun-like star with known giant planets, used as a target to demonstrate the Coronagraph Instrument's active starlight suppression.

Program
Coronagraph Technology Demonstration
Program ID
CGI-TD-004
Field centre RA
10h59m27.98s
Field centre Dec
+40°25′48.7″
Galactic latitude
61.3°
Field character
sparse

Product status

Scheduled but not yet taken. The observatory has not reached this pointing in its timeline.

Scheduled in 3 months · 16 Nov 2026, 13:24 UTC

Exposure

Exposure ID
r4186801014002_0002_cgi01
Instrument
CGI
Detector
Optical element
CGI-B4
Data level
L2
Integration
1h 9m
Resultants
346
Mid-exposure
16 Nov 2026, 13:24 UTC
Mission day
L+78.26
Product size
692 MB

Pointing

RA (J2000)
10h58m28.15s
Dec (J2000)
+40°32′48.2″
RA (deg)
164.617291
Dec (deg)
40.546712
Footprint
0.125° on a side
Pixel scale
0.11″/px

Band

CGI-B40.825 µm pivot
0.4 µmvisible → near-infrared2.4 µm

Coronagraph Band 4 — wide-field-of-view mask configuration.

Access

Roman products are distributed through MAST at STScI. Files follow the naming convention below; nothing is downloadable from this site.

r4186801014002_0002_cgi01_l2.asdf

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The image above is procedurally generated. Source positions, colours and crowding are derived from the field's galactic latitude and character and from the band's pivot wavelength, and every exposure of a field draws the same sky so dithers line up — but none of it is data from the telescope.